Up to 14, possibly “kilometer-class” space rocks could lurk within a long-feared stream of space debris known to drift near Earth ... the risk of being hit by a large asteroid in the Taurid ...
About 66 million years ago, a "planet killer"—a 10-kilometer-wide asteroid—hit Earth. The Chicxulub impact caused a mass extinction on a planetary scale, killing off an estimated 76 percent of ...
(NewsNation) — Scientists say an asteroid known as ... movement and it would have to hit Apophis at exactly the right time to set it on a collision course with Earth. For those worried about ...