Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

Meteor Crater in Arizona is considered the best-preserved meteorite impact site, made by an approximately 150-foot-wide meteorite about 50,000 years ago. Could a person be hit by a meteorite?

The S2 meteorite, discovered in 2014, was four times the size of Mount Everest and unleashed a tsunami bigger than any in known human history. The giant S2 meteorite hit Earth 3 billion years ago.