Sixty-six million years ago, a giant meteor slammed into Earth off the coast of modern-day Mexico. Firestorms incinerated the landscape for miles around. Even creatures thousands of miles away were ...

If I'm understanding this correctly, this guy has found evidence of bacteria fossils that are not of earthly origins. If so, why is this not all over the news? Not as exciting as Charlie Sheen? I ...

The piece of Mars auctioned through Sotheby's. Weighing in at 54 pounds, this is the largest piece of Mars on Earth, and is the most valuable meteorite ever found. Photograph Courtesy of Sotheby's In ...

NEW YORK — For sale: A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of Mars ever found on Earth. Sotheby's in New York will ...