Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...

It was initially believed the asteroid, first detected on December 27, had about a 1 percent chance of colliding with Earth, but by Thursday, that chance had risen to 2.3 percent. On Wednesday, NASA ...

A recently released animation shows a new look at a large asteroid that has a small, but significant, chance of impacting ...