At least three explanations are under consideration, each of which could have dramatically reshaped planetary conditions for ...

Last summer, top executives from the American and European Space Agencies, NASA and ESA respectively, arrived ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

About 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...