The annual Geminids meteor shower is back, promising bright and bold showers. Every December, the Geminids produce dozens and sometimes more than a hundred meteors per hour at their peak. Unlike many ...

Jessica Barnes examines a vial containing sample particles at the Kuiper-Arizona Laboratory for Astromaterials Analysis, located at the University of Arizona. Asteroid Bennu — the target of NASA's ...

Get ready to look up: The Orionid meteor shower is lighting up Arizona skies this week. The Orionids, which occur annually during the fall season, are bits of dust and debris left behind by Halley’s ...

Several new studies on a near-Earth asteroid are offering fresh clues about the early solar system. Samples from the asteroid, named Bennu, were delivered to Earth by NASA’S OSIRIS-REx spacecraft in ...

Skywatchers in Arizona get a special treat in July—and the best part is that you can see it with your naked eye. The asteroid 4 Vesta is about the length of Arizona and the second-largest resident of ...

TUCSON, Ariz. (KGUN) — It’s been a real point of pride that the University of Arizona led a mission to grab a sample of an asteroid and bring it to Earth. Now those samples are teaching us more about ...

Final assembly in 2015 of the OSIRIS-REx spacecraft, which launched in 2016. University of Arizona teams had been working on the project for more than a decade when it reached a near-Earth asteroid, ...

The asteroid, named Bennu, contains sugars necessary for the development of life as well as a “gum-like” substance never before found on any space rock Samples of Bennu were first delivered to earth ...