Alaska, largely unspoiled wilderness, looks like something out of The Lord of the Rings.

The ripples suggest that the lake was free of ice at one point.

Satellites have captured amazing views views of these craters on Earth. ESA explains. Nördlinger Ries Ouarkziz Crater ...

Scientists are projecting a small but significant chance that an asteroid could strike the Earth on Dec. 22, 2032. Asteroids ...

Dust and other debris would rise into the atmosphere on Bennu striking Earth, blocking out the Sun and cooling the planet to ...

A CHILLING simulation video has revealed the devastating impact a ‘city-killer’ asteroid would have if it hit Earth. Asteroid ...