The hefty space rock 2014 TN17 is large enough to wipe out a city, but it will pose no risk to our planet when it sails by ...

Around 600 million years ago, Earth was home to strange, soft-bodied sea creatures, but a powerful asteroid impact in what is ...

"These relics are effectively fossils of the planet formation process, holding vital clues to deciphering the history of our ...

An ancient impact structure in remote northern Australia was recently spotted by one of NASA's Earth-observing satellite ...

Extraterrestrial lifeforms will likely not look like E.T. or little green Martians. But L.A. Times columnist Patt Morrison looked at a space rock with some promising, and microscopic, signs of life.

The 700–1,300 feet-wide space rock deformed rocks more than six miles from the impact site when it hit 600 million years ago.

NASA has issued an alert about a massive asteroid approaching Earth this week. The US space agency has identified Asteroid ...

Donaldjohanson formed about 150 million years ago when a much larger asteroid broke apart. Since then, its orbit and spin ...

Scientists at Lab are unraveling the mysteries of Bennu, a 4.5-billion-year-old asteroid, using cutting-edge technology. The ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...

A 500-foot- wide space rock could inflict mass casualties across a state or a small country; those arrive every 20,000 years.

Analysis of a space rock that landed on a frozen Michigan lake revealed a rich array of extraterrestrial organic compounds. Learn how the meteorite might have been incorporated into life on Earth.