NASA spends hundreds of millions of dollars per state on average annually through its scientific missions, and Arizona is among the country's biggest recipients, a recent analysis shows. Why it ...

The moon's heavily cratered surface serves as a testament to how Earth's closest celestial neighbor has become a figurative magnet for space rocks during its 4.5 billion-year history. One of the best ...

SpaceX will help NASA launch twin satellites into orbit aboard the company's Falcon 9 rocket. The satellites will observe how the sun's powerful activity interacts with our planet's magnetosphere. For ...

TUCSON, Ariz. (KGUN) — A NASA mission led by University of Arizona researchers is at risk of being canceled, despite already being underway and offering what scientists call a once-in-a-lifetime ...

New satellite images released by NASA have captured the dramatic progression of two fires that set off in Arizona near the Grand Canyon National Park. One image captured by MODIS (Moderate Resolution ...

NASA’s Lunar Electric Rover (LER) has begun rigorous testing in the rugged terrain of Arizona, mirroring the harsh conditions astronauts will face on the moon. According to Space.com, with a ...

Scientists estimate that around 15,000 medium-sized asteroids — large enough to devastate a city — remain undetected within ...

A team from Northern Arizona University spent years creating a set of cameras that launched last week on a NASA mission to Mars. The instruments, called VISIONS for “visible and infrared observation ...

Add Yahoo as a preferred source to see more of our stories on Google. A NASA mission led by the University of Arizona is at risk of cancellation, putting groundbreaking asteroid research and millions ...