NASA sent the science community into a frenzy with the release of images of rocks on Mars, which led to one suggesting they ...

For decades, the search for life on Mars has been a story of hints and maybes, of chemical curiosities that stopped just ...

We could be one step closer to proving alien existence. In 1996, a group of NASA scientists made a stunning announcement: The discovery of what appeared to be bacterial fossils on Mars. President Bill ...

NEW YORK (AP) — 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 ...