News

Astronomers, including Steward Observatory's Xiaohui Fan, Discover Nāpōwawāʻenakaulua, the Oldest Compact Quasar Pair in the Universe

At the far left of this image is the Gemini North telescope, the northern twin of the International Gemini Observatory, supported in part by the U.S. National Science Foundation and operated by NSF NOIRLab. Standing near the summit of Maunakea in Hawai‘i, the telescope’s location places it far away from light pollution and right among the stars for proper astronomical study.

Starts with a Bang podcast: Space in the ultraviolet

This image shows a mock-up of the ASPERA mission, slated to launch in just a few months, in space, where it can probe the far-ultraviolet emissions in the outer halo of our own galaxy and a whole lot more.

Astronomers Discover a Ghostly River of Stars That Could Reveal Dark Matter

Hubble Space Telescope image showing the globular cluster stellar stream outlined with a box.

How the Giant Magellan Telescope got its mirrors

To build the Giant Magellan Telescope, engineers constructed seven massive mirrors, the largest mirrors in the world. Each one began as thousands of glass chunks carefully placed by hand (shown).

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