The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

Here is a sampling of things to do in the San Fernando Valley and the greater Los Angeles area.

New map of ‘mega ripples’ caused by dinosaur-killing asteroid helps recreate extinction event - Findings may help predict ...

"Given how rare such evidence is due to [Earth's] geological recycling processes, this is a major breakthrough in ...

Beneath the waters of Chesapeake Bay lies a massive secret that took decades to uncover. What once seemed like a normal ...

YR4 has a 0.0017% chance of hitting Earth, but media reports too often ignore the unlikelihood of impact in reports of near-Earth asteroids, a Tucson astronomer says.

Tucson becomes a global stage for Earth’s most breathtaking treasures at the Tucson Gem and Mineral Show. But beyond the dazzling opals and ancient fossils lies something deeper — an invitation to ...

Arizona has many delightful small towns. From the red rocks of Sedona to the cool forests of Flagstaff, Arizona's small towns ...