Measuring around 41 feet in diameter, the asteroid is speeding towards our planet at more than 38,500 miles per hour.

An asteroid is expected to eventually hit Earth, highlighting the importance of preparing for such an event. This video ...

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 ...

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 ...

For large Main Belt asteroids, that break-apart point was set at a spin period of about 2.2 hours – a hard limit suggested by ...

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 ...