News

Webb discovered the most distant galaxy ever seen, existing shortly after the Big Bang during the Cosmic Dawn

The authors of the study are Stefano Carniani of Scuola Normale Superiore in Italy and Kevin Hainline, an associate research professor at the Steward Observatory, University of Arizona.

Steward Observatory Professor Brenda Frye & Her Students Discover a Lensed Supernova & Confirm the Hubble Tension

Brenda Frye

Terahertz Intensity Mapper flies high: explore the launch in photos!

UArizona members waiting during one of nine launch attempts. Left to right: Dr. Ian Lowe, Dr. Dan Marrone, Evan Mayer. PC: Susie Zukosky (UIUC)

Giant Magellan Telescope Launches Universo Expansivo Program to Enhance Accessibility in Astronomy Education

Universo Expansivo Program Activity at Los Angeles City of STEM and Makers Faire

Steward PhD alum captures the most detailed infrared map ever of our Milky Way

Images from the ESO's VISTA telescope

THE SEARCHERS: Dave Eggers Writes about Steward Alum Vanessa Bailey

Vanessa Bailey

A Place to Study Eternity: Building the Giant Magellan Telescope

Richard F. Caris Mirror Lab technician

The Catalina Sky Survey—supported by Steward Observatory’s Mountain Operations—detects the ninth asteroid ever to be spotted prior to impact

The asteroid, known as 2024 RW1, was discovered today by research technologist Jacqueline Fazekas with the Catalina Sky Survey.

Giant Magellan Telescope Mount Fabrication Begins

the largest telescope mount built in the United States has begun

Recipient of the 2024 Marc Aaronson Prize Offers Public Lecture on the Most Powerful Explosions Since the Big Bang

Wen-fai Fong