News | Steward Observatory

Stories from star dust: U of A-led mission will study light from distant stars

Made of thick clouds of dust, the iconic Horsehead Nebula is part of a vast molecular cloud complex in the Orion constellation some 1,500 light-years away. Embedded within these clouds are sharp points of light, young stars forming out of swirling aggregations of gas and the dust itself.

U of A scientists play crucial roles in Nancy Grace Roman Space Telescope science

The Nancy Grace Roman Space Telescope.

Discovery marks the first detection of variable water clouds outside of our solar system

Artist's concept of a brown dwarf.

Mount Graham scope helps crack mystery of 3-lobed asteroid

LBT Asteroid

Korea Astronomy and Space Science Institute Increases Investment in Giant Magellan Telescope

Giant Magellan Telescope

New Research Reveals The Hidden Fate Of The Universe’s Mysterious Little Red Dots

Webb Red dots

How stars die: Astronomers detect magnetic fingerprint of a cosmic explosion for the first time

Gamma-Ray Burst illustration

The two most distant quasars ever observed: U of A astronomers help shatter cosmic record

Artist's impression of Quasars

Rubin observatory begins a 10-year movie of the changing universe

Lupus Constellation image taken from Vera C. Rubin Observatory

Chris Impey Named a 2026 - 2027 Fulbright Scholar

Chris Impey