News

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

Giant Magellan Telescope is an engineering marvel

Giant Magellan Telescope

Tune into a deep-dive radio segment on the Sky School, featuring Rob McGehee!

Rob McGehee

CatSat has captured and transmitted its first pictures of the Earth!

An image of Earth, transmitted from the student-led CatSat mission.

Watch: University of Arizona's Sky School featured on Arizona Illustrated

Student peers through telescope on Mt. Lemmon

Student-Led CatSat Mission Transmits its First Signals!

Hello World CatSat

Reflecting hope: Concentrating solar power can feed the grid and perhaps even remove carbon from Earth's atmosphere

Heliostat

Northwestern Professor Wen-fai Fong Honored with Steward Observatory’s 2024 Marc Aaronson Prize

Wen-fai Fong