News | Steward Observatory

Kaitlin Kratter and Josh Eisner, 2022 and 2020 winners of Blitzer Award, deliver joint lecture on protoplanets and protoplanetary disks - watch their talk here!

Josh Eisner and Kaitlin Kratter

Erika Hamden in the New York Times: A Massive, Glow-in-the-Dark Cloud Lurking in Our Cosmic Backyard

Erika Hamden

Mt. Lemmon Astronomy Camp alum wins the “Oscar of the natural sciences”

Rebecca Jensen-Clem

THE CONVERSATION: Scientists found a potential sign of life on a distant planet – Steward Observatory's Daniel Apai explains why many are still skeptical

exoplanet K2-18b

U of A-led NASA Aspera mission hits spacecraft milestone

The completed spacecraft bus for the NASA Aspera mission.

Steward PhD Alum Mentors Teen Who Wins $250K for Using AI to Discover 1.5 Million Hidden Objects in Space

2025 Regeneron Science Talent Search first-place winner Matteo Paz holds his trophy.

National Geographic: New astronomy trail debuts in Tucson, a city protective of its dark skies

Tucson’s new Astro Trail features 11 stops, including Mount Graham International Observatory. A stargazer’s dream destination, the city not only has light pollution guidelines but also has six Dark Sky parks and communities in the area. PHOTOGRAPH BY BABAK TAFRESHI, NAT GEO IMAGE COLLECTION

“In search of Earth’s siblings,” Sebastiaan Haffert wins prestigious New Horizons Prize

The New Horizons prize honors Sebastiaan Haffert’s work in adaptive optics—much of which happened during his time at Steward Observatory.

College of Science Announces Inaugural Rieke Prize Recipient

Dr. Elena Plante

Two Steward Observatory alumni receive highly competitive Einstein Fellowships

Juan Nico Garavito Camargo and Massimo Pascale