NASA shared an initial analysis of a 5-foot-wide fireball meteor that exploded in the sky over the northeastern U.S. on ...

How big of an asteroid does it take to damage cities, states, countries, and the planet? On the fourth-annual World Asteroid Day (Saturday, June 30), we take a look at estimates from NASA, Purdue ...

It's a bird. It's a plane. It's a skyscraper ... or at least, it's something as big as those things. Several large asteroids are set to pass by Earth this week, according to NASA's Jet Propulsion ...

It’s not the giant, planet-ending asteroids from Hollywood movies that concern NASA the most. And it’s not the tiny space rocks that burn up harmlessly in our atmosphere. Instead, scientists say the ...

Humanity needs to step up its asteroid-hunting game. To date, astronomers have spotted more than 8,000 near-Earth asteroids that are at least 460 feet (140 meters) wide — big enough to wipe out an ...

Forget world records because astronomers recently announced a new solar system record - the fastest spinning large asteroid ever discovered. It's about the length of eight football fields, but it ...

One significant threat to life here on Earth is the possibility that a massive asteroid will collide with our planet and destroy life as we know it. To understand the possibilities, large surveys of ...