Greenland's only US military base is (quietly) getting a massive upgrade Trump is threatening to attack a country that ...

What would happen if the largest asteroid in history hit Earth? Judge says Greenpeace must pay $345 million in pipeline lawsuit, cutting jury amount nearly in half Republican senators strongly rebuke ...

A mile-wide asteroid known as 2005 UK1 will safely pass Earth on Jan. 12, 2026, at 32 times the moon’s distance, posing no ...

On hearing the words "city killer" and "asteroid" in the same sentence, you'd be forgiven for thinking something bad is about to happen. But not to fear. Although an asteroid with the potential to ...

Of Meteors and Buckyballs Aired February 23, 2001 - 7:40 a.m. ET . THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED ...

An asteroid hit Earth's atmosphere last Friday. Astronomers were able to precisely determine where it was going to strike. And despite seeing it just two hours before impact, its small size meant it ...

The moon is pummeled by asteroids nearly every day, creating new craters constantly that can range from a few feet to many miles across. The asteroid impacts, when they’re large enough, create flashes ...

Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...