While Earth was famously hit by a meteor that killed off the dinosaurs, many others have also hit our planet, many of them leaving huge scars in their wake.

What if an asteroid was headed straight for Earth? The scenario has been played out many times in films such as "Armageddon" and "Deep Impact," but NASA and FEMA want to make sure they're prepared for ...

Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...

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 ...