CHICAGO -- A NASA spacecraft has intentionally slammed into an asteroid in humanity's first test of planetary defense. The impact occurred at 7:15 p.m. ET greeted by cheers from the mission team in ...

Researchers, including some from NASA, say the best option to stop an asteroid with a 4% chance of smashing into the moon and a .00081% chance of slamming into Earth may be to nuke it. Earlier this ...

NASA is warning that a bus-sized asteroid named 2025 QV5 is projected to make a close approach to Earth tomorrow evening -- and won't come that close again for over 100 years. ordus - stock.adobe.com ...

NASA has said that an asteroid larger than 131 feet could cause significant damage to Earth, f it were to make impact.