Before the dinosaurs dominated the Earth, our planet was vastly different. The age before these towering giants roamed the land was filled with strange and unfamiliar creatures, landscapes, and ...

The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and ...

The red, brown and gray hunk is about 70% larger than the next largest piece of Mars found on Earth and represents nearly 7% of all the Martian material currently on this planet, Sotheby's says. It ...

Scientists thought this crater in Australia was the world’s oldest — but an independent analysis shows they might be off by ...