The first analysis of powder drilled out from the inside of water-soaked rock shows Mars was a suitable place for microbial life to evolve. ->

Forget hunting for organic chemistry inside rocks on Mars or complex organisms in Europa's sub-surface oceans, the Cosmos has just FedEx'd some extraterrestrials direct to our door! Or not. ->

Just in case you forgot, our memories are an integral part of our lives and experiences, and enrich our existence. They let us remember "the good old days," the incredible times spent with family and friends, and enjoy special moments over and over. And while we may think of our best memories, like...

A little short on rent? Bank threatening to take your car? Well, if you're not using your spleen at the moment, you could get just over $500 for it. Not enough? How about putting your gallbladder on the market for $1,200 or being able to drop a large down payment on your dream house by [...]

Are we inadvertently sending microbes to Mars? A new study suggests this idea isn't so far fetched, recommending we do a better job of cleaning our spacecraft.

Space pioneers could focus on answering, arguably, the most profound question ever asked by humans: are we alone in the universe?

Kepler has spotted small worlds orbiting close to their stars and other worlds orbiting inside habitable zones -- when will the discovery of a bona fide Earth-like exoplanet be announced?

When Endeavour launches, it will be carrying a peculiar live cargo: an intrepid three-inch creature named Euprymna scolopes, a.k.a., the Hawaiian bobtail squid.