From glowing red rocks to epic canyons, explore stunning Arizona desert landscapes that deliver unforgettable views and ...

He pushed the drill carefully through the last bit of bone. He inserted the thing using the tweezers. He sutured the hole, ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Some stories are so strange and so full of emotion that they refuse to fade away. The case of Travis Walton is one of those ...