The observations will help astronomers refine their theories about the processes involved in planet formation and shed light on what our sun did when it was very young.

The goal of the six-day simulation, called Imagination 1, was to explore the value of art in space exploration and produce creative works inspired by the limitations and possibilities of life and culture beyond Earth.

The team behind the University of Arizona-led NASA mission to sample the asteroid Bennu joins the ranks of the Apollo 11 crew and Orville Wright to earn the Robert J. Collier Trophy.

A University of Arizona-led study shines a spotlight on sulfur, a chemical element that, while all familiar, has proved surprisingly resistant to scientific efforts in probing its role in the origin of life.

The Alfie Norville Gem & Mineral Museum is now one of only three places in the world where the public can see a piece of the asteroid Bennu, collected during NASA's University of Arizona-led OSIRIS-REx mission.

How much time do planets have to form from a swirling disk of gas and dust around a star? A new University of Arizona-led study gives scientists a better idea of how our own solar system came to be.

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.

Ahead of Feb. 29, UArizona Regents Professor of planetary sciences Renu Malhotra explains why we need leap year, why we skip it once a century and why we sometimes need to add leap seconds.  

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.

New images taken with the James Webb Space Telescope reveal intricate, never-before-seen structures and features hidden in visible light. The insights will help astronomers better understand the history of the Milky Way.