**Note: You will need to have the *Quicktime Player installed to view podcasts from Spring 2012 and earlier.**
Dec. 2, 2024 - Dr. Dominika Itrich, Steward Observatory
Born in the Spotlight: The Mysterious Proplyds
Nov. 18, 2024 - Dr. Alfred McEwen, Regents Professor, Lunar & Planetary Laboratory
Jupiter's Insanely Volcanically Active Moon Io
Nov. 4, 2024 - Christa DeCoursey, Steward Observatory
Oct. 21, 2024 - Dr. Vasileios Paschalidis, Steward Observatory
Paradoxes and Conundrums of Relativity
Oct. 7, 2024 - Prof. Andrew Woods, UA College of Law
Sep. 23, 2024 - Dr. Kevin Hainline, Steward Observatory
JWST: The First Two Years of Discoveries from the Dawn of Time
Sep. 13, 2024 - Dr. Wen-Fai Fong, Northwestern University
Marc Aaronson Prize Lecture
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Apr. 29, 2024 - Dr. Kathryne Daniel, Steward Observatory Galactic Symphony: The Harmonic Evolution of our Milky Way Galaxy |
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Apr. 15, 2024 - Prof. Christopher Cokinos, UA Dept. of English Still as Bright: An Illuminating History of the Moon from Antiquity to Tomorrow |
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Mar. 25, 2024 - Dr. András Gaspar, Steward Observatory |
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Mar. 11, 2024 - Dr. Jeffrey Bennett, University of Colorado |
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Mar. 4, 2024 - Dr. J. Roger Angel, Regents Professor, Steward Observatory 50 Years at Steward: Optics for Astronomy and Now to Reverse Climate Change |
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Feb. 19, 2024 - Dr. Marcia Rieke, Elizabeth Roemer Chair, Steward Observatory |
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Feb. 5, 2024 - Dr. Sean Linden, Steward Observatory |
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Jan. 22, 2024 - Dr. Christopher Walker & Abram Young, Steward Observatory |
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Dec. 4, 2023 - Dr. Kevin Wagner, Steward Observatory |
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Nov. 20, 2023 - Dr. Tim Hunter & Maj. James McGaha, Grasslands Observatory |
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Nov. 6, 2023 - Dr. Brittany Miles, Steward Observatory |
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Oct. 23, 2023 - Dr. Carlos Vargas, Steward Observatory |
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Oct. 9, 2023 - Dr. Azalee Bostroem, Steward Observatory |
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Oct. 2, 2023 - Vatican Observatory Panel 30th. Anniversary of the Vatican Advanced Techology Telescope |
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Sep. 18, 2023 - Dr. Tod Lauer, National Optical/IR Lab |
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Apr. 24, 2023 - Dr. Chris Impey, Steward Observatory Worlds Without End: Exoplanets, Habitability, and the Future of Humanity |
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Apr. 10, 2023 - Dr. Everett Schlawin, Steward Observatory JWST's First Stares at Planets that Peak in Front and Behind their Stars |
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Mar. 27, 2023 - Dr. Emma Beasor, Bok Fellow, Steward Observatory |
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Mar. 13, 2023 - Dr. Kate Alexander, Steward Observatory |
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Feb. 27, 2023 - Dr. Melissa Brucker, Lunar & Planetary Laboratory |
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Jan. 30, 2023 - Dr. Catherine Fielder, Steward Observatory |
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Jan. 16, 2023 - Dr. Thomas A. Fleming, Steward Observatory |
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Nov. 28, 2022 - Dr. Rebecca Levy, Steward Observatory |
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Nov. 14, 2022 - Dr. Laird Close, Professor, Steward Observatory The Quest to Find Life on Nearby Planets with Adaptive Optics |
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Oct. 17, 2022 - Dr. Christopher Walker, Professor, Steward Observatory |
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Oct. 3, 2022 - Dr. Daniel Marrone, Professor, Steward Observatory |
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Sep. 28, 2022 - Dr. Marcia Rieke, Regents Professor & Dr. Elizabeth P. Roemer Chair, Steward Observatory The Webb Telescope: Starting Steward Observatory's Next 100 Years |
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Apr. 25, 2022 - Dr. Megan Mansfield, NASA Sagan Fellow, Steward Observatory |
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Apr. 11, 2022 - Mr. Ryan Endsley, Steward Observatory |
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Mar. 14, 2022 - Dr. Schuyler Wolff, Steward Observatory |
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Feb. 21, 2022 - Dr. Ilaria Pascucci, Lunar & Planerary Laboratory |
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Feb. 7, 2022 - Dr. Thomas Beatty, Steward Observatory |
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Jan. 24, 2022 - Dr. Mojgan Aghakhanloo, Steward Observatory |
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Dec. 6, 2021 - Dr. Jinyi Yang & Dr. Feige Wang, Steward Observatory Peering into the Early Universe with JWST: the Most Distant Quasars and Their Environments |
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Nov. 8, 2021 - Dr. Andras Gaspar & Dr. Stacy Alberts, Steward Observatory Into the Mid-infrared with JWST: A Universe of Dusty Debris Disks, Galaxies, and Black Holes |
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Oct. 25, 2021 - Dr. Christina Williams & Dr. Everett Schlawin, Steward Observatory |
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Oct. 11, 2021 - Regents Prof. Marcia Rieke, Steward Observatory |
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Sep. 27, 2021 - Maj. James McGaha, USAF(ret.), Grasslands Observatory |
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Sep. 13, 2021 - Regents Prof. George Rieke, Steward Observatory |
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Apr. 26, 2021 - Enrico Ramirez-Ruiz, UC Santa Cruz Transformando Estrellas en Oro (Presented in Spanish) |
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Apr. 12, 2021 - Dr. Chris Impey, Steward Observatory |
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Apr. 5, 2021 - Dr. Kevin Wagner, Steward Observatory |
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Mar. 8, 2021 - Dr. Jared Males, Steward Observatory Imaging Exoplanets and Searching for Life with the Giant Magellan Telescope |
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Feb. 15, 2021 - Dr. Daniel Apai & Jamie Dietrich, Steward Observatory |
| Mar. 9, 2020 - Dr. Parker Fagrelius, NSF OIR Lab DESI: A New 3D Cosmic Map to Study Dark Energy |
| Mar. 2, 2020 - Dr. Catherine Grier, Steward Observatory The Monsters of the Universe: Supermassive Black Holes |
| Feb. 17, 2020 - Dr. Yancy Shirley, Steward Observatory Celebrating 50 Years of the Discovery of Molecular Clouds |
| Jan. 30, 2020 - Dr. Francis Su, Dept. of Mathematics: Harvey Mudd College Mathematics for Human Flourishing |
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Jan. 27, 2020 - Dr. George Rieke, Steward Observatory |
| Jan. 21, 2020 - Eric Gawiser, Daniel Scolnic, Renée Hložek, and Daniel Gruen VSO Dark Energy Science |
| Jan. 13, 2020 - Dr. Thomas Beatty, Steward Observatory Once You've Discovered Another "Earth", What Comes Next? |
| Dec. 2, 2019 - Dr. Veronica Bray, Lunar & Planetary Laboratory Beyond the Known World: New Horizons Mission into the Kuiper Belt |
| Nov. 4, 2019 - Dr. Michael Lindquist, Steward Observatory There's a New SAGUARO under the Desert Skies: Finding the Sources of Gravitational Waves |
| Oct. 21, 2019 - Dr. Dennis Zaritsky, Steward Observatory Una Historia de Materia Oscura |
| Oct. 7, 2019 - Prof. Robert Kennicutt, Steward Observatory 2020 Vision: The Decadal Survey for Astronomy |
| Sept. 23, 2019 - Dr. Chris Impey, Steward Observatory Einstein's Monsters |
| Sept. 9, 2019 - Dr. Chris Cokinos, Dept. of English Divine & Mysterious: The Moon Before Apollo |
| May 13, 2019 - Dr. Don McCarthy, Steward Observatory A 40-Year History of the MMT Observatory |
| Apr. 29, 2019 - Dr. Paola Pinilla, Steward Observatory La Infancia de los Planetas |
| Apr. 17, 2019 - Dr. Daniel Marrone, Dr. Feryal Ozel, & Dr. Dimitrios Psaltis, Steward Observatory Bringing Black Holes into Focus: The Event Horizon Telescope |
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Apr. 8, 2019 - Maj. James McGaha, M.S., FRAS, Director, Grasslands Observatory |
| Mar. 25, 2019 - Dr. Ali Bramson & Dr. Mike Sori, Lunar and Planetary Laboratory A Story of Ice, Water, and Fire Under the South Pole of Mars |
| Mar. 11, 2019 - Dr. Chad Bender, Steward Observatory The Quest to Discover Earth-Twin Exoplanets |
| Feb. 25, 2019 - Erika Hamden, Steward Observatory The Ridiculous World of Scientific Ballooning |
| Feb. 18, 2019 - Dr. Jenny Greene, Princeton Univ. Marc Aaronson Memorial Lecture: Tiny but Powerful: The Search for Intermediate Mass Black Holes |
| Jan. 28, 2019 - Dr. Thomas Fleming, Steward Observatory Andrew Ellicott Douglass: The History of Astronomical Research in Arizona |
| Jan. 14, 2019 - Dr. John Cocke & Dr. Feryal Ozel, Steward Observatory 50th Anniversary of the Discovery of the Crab Optical Pulsar |
| Dec. 3, 2018 - Dr. Vasileios Paschalidis, Steward Observatory Einstein's Legacy: The New Era of Multimessenger Astronomy |
| Nov. 19, 2018 - Dr. Lynn Carter, Lunar and Planetary Laboratory Mars 20/20: Science, Engineering and Landing Sites for the next Mars Rover |
| Nov. 5, 2018 - Dr. Elena Manjavacas, Nicolas Garavito, and Dr. Paola Pinilla, Steward Observ. Buscando Nuevos Mundos |
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Oct. 29, 2018 - Dr. Peter Behroozi, Steward Observ. |
| Oct. 15, 2018 - Dr. Daniel Apai, Steward Observ. Headin' out to EDEN: A Search for Habitable Worlds within the Solar Neighborhood |
| Sept. 17, 2018 - Dr. Michael Chriss, Steward Observ. The Nazca Lines Mystery |
| Apr. 30, 2018 - Dr. Sarbani Basu, Yale Univ. Journey to the Center of the Sun |
| Apr. 23, 2018 - David Sand, Steward Observatory The Dynamic Sky! |
| Mar. 26, 2018 - Chris Walker, Steward Observatory Astronomy from Near Space |
| Mar. 12, 2018 - Jeff Bennett, Univ. of Colorado A Global Warming Primer |
| Feb. 19, 2018 - Chuck Claver, LSST Surveying the Universe |
| Jan. 22, 2018 - Jerry Sellwood, Steward Observatory Spiral Patterns in Galaxies |
| Dec. 4, 2017 - Stephanie Juneau, NOAO Black Holes, Galaxies & Cosmic Fireworks |
| Nov. 27, 2017 - Lia Medeiros, Steward Observatory Visualizing Black Holes on Computers and in the Universe |
| Nov. 13, 2017 - Maj. James McGaha, M.S., FRAS, Grasslands Observatory 70 Years after Rosewell: What Really Happened? |
| Oct. 23, 2017 - Stacey Alberts, Steward Observatory Countdown to the James Webb Space Telescope |
| Oct. 9, 2017 - Michael Chriss, Steward Observatory Longitude: The Watch that Mapped the World |
| Sept. 26, 2017 - Film Screening & Panel Discussion (presented on 10/17/2016) Focusing the Universe: A New Film on the History of Steward Observatory |
| Sept. 25, 2017 - Alfred McEwen & Ari Espinoza, Lunar & Planetary Laboratory Mars: The Pristine Beauty of the Red Planet |
| Sept. 11, 2017 - Alyson Ford, Steward Observatory The Milky Way --- Our Home, But What Does it Look Like? |
| Apr. 17, 2017 - Wen-fai Fong, Steward Observatory The Energetic World of Gamma-ray Bursts and Gravitational Waves |
| Apr. 3, 2017 - Brian Schmidt, Australian National University The State of the Universe in 2017 |
| Mar. 27, 2017 - Eric Pearce, Steward Observatory Astronomy Tracks Sputnik and Beyond: How Applied Astronomy has met the Challenges of the Space Age |
| Mar. 20, 2017 - Jay Holberg, LPL Tales from the Celestial Graveyard: Studying White Dwarfs in our Own Backyard |
| Feb. 20, 2017 - Dr. Kevin Hainline, Steward Observatory Hunting for Dark Monsters: How to Find a Hidden, Supermassive Black Hole |
| Jan. 23, 2017 - Dr. David Levy, Jamac Observ. The Starlight Night: The Night Sky in English Literature |
| Dec. 5, 2016 - Dr. WIlliam Hubbard, LPL The JUNO Mission to Jupiter |
| Nov. 21, 2016 - Christina Williams, Steward Observatory High Noon in the Universe: Studying the Rapid Growth and Death of Galaxies |
| Nov. 7, 2016 - Maj. James McGaha, M.S., FRAS, Grasslands Observatory Green Fireballs! Science, The Cold War & Pseudoscience |
| Oct. 24, 2016 - Sam Gralla, UA Dept. of Physics Black Holes, Gravitational Waves, and "Interstellar" |
| Oct. 10, 2016 - Nick Siegler, NASA Jet Propulsion Lab The Search for Planets, Habitability, and Life in Our Galaxy |
| Oct. 3, 2016 - Maxwell Moe, Steward Observatory The Cosmic Tango of Binary Stars |
| Sept. 19, 2016 - Katie Morzinski, Steward Observatory Taking Pictures of Extrasolar Planets |
| Apr. 18, 2016 - Ilaria Pascucci, LPL Lecture III: Finding Earths Among Other Worlds |
| Apr. 4, 2016 - Joan Najita, NOAO Lecture II: The Births of Other Earths |
| Mar. 21, 2016 - Daniel Apai, Steward Lecture I: Project EOS and Our Search for Other Earths |
| Jan. 25, 2016 - Andrew Strominger, Harvard The Edges of the Universe: Black Holes, Horizon and Strings |
| Jan. 11, 2016 - Theodora Karalidi, Steward Cloudy with a Chance of Life: Looking for Rainbows, Clouds and Life on Exoplanets |
| Jan. 7, 2016 - Rudi Lindner, Univ. of Michigan The Rise, Death, and Rebirth of Cosmology in the Twentieth Century |
| Dec. 7, 2015 - Mark Sykes, Planetary Sciences Latest Reports from the Dwarf Planets Ceres & Pluto! |
| Nov. 30, 2015 - Steve Strom, NOAO A Fusion of Art and Astronomy |
| Nov. 16, 2015 - Jeff Bennett, Univ. of Colorado/Big Kid Science What is Relativity? An Intuitive Introduction to Einstein's Ideas and Why They Matter |
| Nov. 2, 2015 - Michael Chriss, Steward Observatory Scientists in Wonderland: The Strange Case of Dr. Velikovsky |
| Oct. 28, 2015 - Ed Gibson, NASA Astronaut My Experiences as an Astronaut |
| Oct. 23, 2015 - Vasily Belokurov, Cambridge, UK Mark Aaronson Memorial |
| Oct. 5, 2015 - Mark Gordon, NRAO Astronomy with Radio Waves: They Give More Information than You'd Guess! |
| Sept. 17, 2015 - David Campbell, Univ. of Boston Nonlinear Science: From Paradigms to Practicalities |
| Sept. 14, 2015 - Daniel McIntosh, Univ. of Missouri-Kansas City Reflections on Hubble's 25th Anniverasry : The Past, Present, and Future of U.S. Astronomy |
| Apr. 20, 2015 - Mark Sykes, PSI The Dawn Mission at Ceres: Hunting the Great White Spot! |
| Apr. 6, 2015 - Michael Chriss The Crime of Galileo |
| Mar. 23, 2015 - Dr. Gurtina Besla Galaxy Collisions in our Backyard |
| Jan. 12, 2015 - Dr. Dan Stark Searching for Cosmic Dawn:Pursuit of the First Galaxies |
| Dec. 8, 2014 - Dr. David Levy A Nightwatchman's Journey |
| Nov. 24, 2014 - Dr. Karin Sanstrom Our Dusty Universe |
| Nov. 5, 2014 - Dr. Timothy Rowe PHI BETA KAPPA VISITING SCHOLAR LECTURE What Happened to the Dinosaurs? |
| Oct. 27, 2014 - Kaitlin Kratter Exploring the Architecture of Planetary Systems at Home and Abroad |
| Oct. 13, 2014 - Megan Reiter Growing Pains: the Tumultuous Youth of Stars |
| Sept. 29, 2014 -Dr. Ed Olszewski The Large and Small Magellanic Clouds and Their Interaction with the Milky Way |
| Sept. 15, 2014 -Dr. Don McCarthy Alien Images of Earth and Our Place in Space |
| Apr 7, 2014 - Maj. James McGaha, M.S., F.R.A.S. Treatise on Invisibility |
| Mar 24, 2014 - Dr. Rachel Bezanson Galactic Cannibalism: the Growth of Massive Galaxies through Cosmic Time |
| Mar 10, 2014 -Dr. Micheal Chriss, Steward Observatory Astronomy and the Muses |
| Feb 28, 2014: Aaronson Lecturer: Alice Shapley, UCLA Decoding the Contents of Distant Galaxies |
| Feb 10, 2014 -Dr. Cameron Hummels, Steward Observatory The Moon: Formation, Exploration, and Habitation |
| Jan 27, 2014 -Dr. Buell Jannuzi, Director of Steward Observatory The Past and Future of Astronomy at Steward Observatory |
| Jan 13, 2014 - Dr. Jared Males, Steward Observatory Planets in the Habitable Zone |
| Dec 2, 2013 - Beatrice Mueller, Planetary Science Institute ISON - an Unusual Sungrazing Comet |
| Nov 18, 2013 - Dr. Paul Bogard, James Madison University The End of Night: Searching for Natural Darkness in an Age of Artificial Light |
| Oct 28, 2013 - Dr. Michael Sussman, Lunar & Planetary Laboratory Uranus: The Planet that Woke Up |
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Oct 14, 2013 - Dr. Christopher Impey, Distinguished Professor, Steward Observatory |
| Sept 30, 2013 - Desika Narayanan, Bart Bok Fellow, Steward Observatory The Brightest Galaxies in the Universe |
| Sept 16, 2013 - Dr. Chris Greer, Steward Observatory Imaging a Black Hole from the South Pole |
| April 22, 2013 - Dr. Thomas A. Fleming, Laird Close, & Prof. Emeritus W. John Cocke, Steward Observatory 90th Anniversary of the Dedication of the Steward Observatory |
| April 1, 2013 - Dr. Yancy Shirley, Steward Observatory Future Solar Systems: Observing the Initial Phase of Star and Planet Formation |
| March 18, 2013 - Dr. Charlotte Christensen, Steward Observatory How to Grow a Galaxy: Turning Gas into Stars across the History of the Universe |
| March 4, 2013 - Dr. Ann Sprague, Lunar & Planetary Laboratory Messenger at Mercury: 5 Years Later |
| February 18, 2013 - Dr. Dave Arnett, Steward Observatory American Astronomical Society 2012 Henry Norris Russell Lecturer Computers and Thinking |
| February 4, 2013 - Dr. Richard Poss, Steward Observatory Plurality of Worlds: From Lucretius to the Kepler Mission |
| January 14, 2013 - Dr. Thomas Fleming, Steward Observatory Why Does the Sun Shine? |
| December, 3, 2012 - Maj. James McGaha, M.S., FRAS, Director, Grasslands Observatory 2012 Doomsday! World Apocalypse? |
| November 16, 2012 - Dr. Pieter van Dokkum, Marc Aaronson Memorial Lecture The Rise of Galaxies |
| November 5, 2012 - Dr. Fulvio Melia, Steward Observatory The Cosmic Spacetime |
| October 22, 2012 - Carl Hergenrother, Lunar Planetary Lab 21st. Century Prospecting: The Near Earth Asteroid 1999 RQ36 and the OSIRIS-REx Sample Return Mission |
| October 8, 2012 - Dr. Neville Woolf, Steward Observatory Life: A Phenomemon Rooted in Astronomy |
| September 24, 2012 - Dr. Chris Impey, Steward Observatory How It Began! |
**Note: You will need to have the *Quicktime Player installed to view podcasts from Spring 2012 and earlier.**
| April 16, 2012 - Dr. Brant Robertson, Steward Observatory Galaxies at the Edge of the Universe |
| April 02, 2012 - Dr. Andrew Skemer, Steward Observatory Pictures of Alien Worlds |
| March 19, 2012 - Dr. Daniel Apai, Steward Observatory The Search for Other Earths |
| February 27, 2012 - Dr. John Schaefer President Emeritus, University of Arizona The Large Synoptic Survey Telescope |
| February 06, 2012 - Dr. Elizabeth Green, Steward Observatory Kepler, Astroseismology, and Serendipitous Planets |
| January 30, 2012 - Dr. Dante Lauretta, Lunar Planetary Lab The OSIRIS-REx Asteroid Sample Return Mission |
| December 5, 2011 - Dr. Marie Rex, Steward Observatory Looking Beyond the Visible: A Submillimeter View of Star Formation |
| November 28, 2011 - Dr. Daniel Marrone, Steward Observatory The Cosmology of Elephants |
| November 14, 2011 - Dr. Dennis Zaritsky, Steward Observatory Trespassing and Larceny: The Sordid History of the Magellanic Clouds |
| October 17, 2011 - Dr. Donald McCarthy, Steward Observatory Spacetime, Multiple Universes, and Time Travel: The Outrageous Legacy of Astronomy Camp (XXV) |
| September 19, 2011 - Dr. Thomas Fleming, Steward Observatory The Naming of the Stars & Constellations |
| January 31, 2011 - Dr. Eliza Kempton, Lick Observatory Revealing the Atmospheres of Extrasolar Super-Earths |
| January 24, 2011 - Dr. Meg Urry, Yale University Supermassive Black Hole Growth and Galaxy Evolution |
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March 28, 2011 - Dr. Nathan Smith, Steward Observatory |
| April 11, 2011 - Prof. Shane Byrne, Lunar Planetary Lab Mars: A dynamic World |
| December 6, 2010 - Dr. Casey Meakin, Steward Observatory Supercomputing Stars: A Story of Big Numbers, Chaos, and Complexity |
| November 15, 2010 - Dr. Hannah Jang-Condell, University of Maryland, NASA Goddard Space Flight Center How to Find Baby Planets |
| November 8, 2010 - Dr. Josh Eisner, Steward Observatory Zooming in on Star and Planet Formation |
| October 25, 2010 - Dr. Timothy Swindle, Lunar Planetary Lab How Old is Old? Finding the Ages of Rocks and Planets |
| October 11, 2010 - Dr. Marcia Rieke, Steward Observatory New Worlds, New Horizons in Astronomy and Astrophyscis: How Astronomers Pick the Next Big Thing |
| September 27, 2010 - Dr. Andrew Marble, Steward Observatory Cosmic Mirages: The Widest Separation Gravitationally Lensed Quasars |