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

Earth just had two close calls... and one went completely unnoticed. A small asteroid passed just 266 miles above Antarctica—closer than many satellites—before anyone even spotted it. Less than a day ...

Asteroid 2007 FT3 was classified as a city killer before vanishing in 2007 and remaining untracked for nearly two decades.

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

An asteroid that measures up to 300 feet across could smack into Earth in 2032, and while NASA says the chances of a collision are “extremely low,” the probability has been increasing since the space ...

A 700-metre asteroid went undetected near Earth after hiding in the Sun’s glare, raising fresh questions about blind spots in ...

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 ...

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 ...

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 ...

If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Such a cosmic ...

MCALLEN, Texas (KABB) — NASA confirmed that a 1000-pound meteor entered the atmosphere on February 15. According to NASA, the meteor was seen at around 5:23 p.m. near McAllen, Texas. The meteor's ...