An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

How will future inhabitants on Mars and the Moon get their veggies? Northern Arizona University doctoral candidate Laura Lee ...

NASA's new rover prototype could inform the next-generation robotic vehicle that explore the moon and Mars. Here's everything ...

A high-stakes mission to save NASA's Swift Observatory from a fiery end has relied on Arizona. Here's an inside look ahead of ...

A University of Arizona-led team using a camera orbiting Mars has captured the closest images yet of an interstellar comet so rare that it has sparked wild speculation about its alien origins. The ...

STARBASE, Texas — During a presentation, SpaceX CEO and founder Elon Musk shared how he plans to use Starship to reach the planet Mars, and how in a few short years, there is a chance humans could ...

Uber and Alphabet's Waymo have ended their self-driving partnership in Phoenix, Arizona, as the ride-hailing giant prepares ‌to launch a new autonomous vehicle collaboration in the city. Worldcategory ...

A new legal battle is taking shape along the U.S.-Mexico border over a secondary border fence being built in the desert between Yuma and Tucson.