Grand Challenges

For the first time, one of the Giant Magellan Telescope's primary mirror segments, produced at the U of A Richard F. Caris Mirror Lab, has been integrated into a support structure that will maintain the mirror's shape once mounted on the telescope.

Earth has been and can be warmer than it is today, but humans and animals can't adapt fast enough to keep up with climate change, a new study finds.

The Snow4Flow mission, led by professor Jack Holt, will measure glaciers' ice and snow thickness and help scientists better predict how glacial melting contributes to sea level change.

Seeking clues about the life cycle of stars, the GUSTO balloon mission, led by university astronomer Chris Walker, breaks the record as NASA's longest-flying heavy-lift balloon mission.

Taiwan's leading astronomy institute joins Australia, Brazil, Chile, Israel, South Korea and the United States in building one of the world's largest and most powerful telescopes.

At the university's Kuiper-Arizona Laboratory for Astromaterials Analysis, a suite of instruments allows researchers to study the particles collected by the OSIRIS-REx mission the down to the atomic scale.

For the fifth consecutive year, the university is ranked among the nation's top 20 public research universities, according to the National Science Foundation.

University of Arizona geoscientist Diane Thompson explains the significance of studying Earth's water cycle and how rising and falling temperatures have altered it.