Add Yahoo as a preferred source to see more of our stories on Google. Meteor Crater near Winslow, Arizona, was blasted out by a roughly 165-foot-wide (50 meters) impactor about 50,000 years ago. A ...

Are asteroids a little passé? We're always told they're flying around us and over us. It seems a touch more rare that they smash into, say, Manhattan, or Peoria, Ill. Still, we make movies and video ...

Rubin Observatory in the mountains of the Atacama Desert in Chile. Originally imagined in the mid-1990s as the Dark Matter ...

A quartet of large asteroids are zooming by Earth this week, but they'll all pass our planet with millions of miles to spare, according to NASA. The near-Earth asteroids are all passing within 4.6 ...

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 ...

When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space. But what if the real danger comes from much smaller, barely detectable ones?

How big of an asteroid does it take to damage cities, states, countries, and the planet? On the fourth-annual World Asteroid ...

A fresh asteroid-strike study is generating controversy among scientists, a report suggests. A NASA-funded study presented at the Lunar and Planetary Science Conference last week suggests that big ...