Mystery White Substance, But No Water Yet at Martian Pole

The Phoenix Lander, our favorite robot chemistry lab on Mars, has successfully cooked up some soil in its oven to see if water evaporates from it when heated. So far, no dice. Though the Martian rovers Opportunity and Spirit have found evidence of evaporated water at the equator of the planet, Phoenix hasn't yet… » 6/17/08 2:26pm 6/17/08 2:26pm

Join the First-Ever Search for a Shipwreck on Mars!

We've seen the astounding images of the Phoenix Lander that the HiRISE satellite camera sent from its bird's-eye view in Martian orbit. But what about the rest of the robot explorers on the Red Planet? There are five successful landers other than Phoenix and HiRISE has found those, too. Now the search is on for the… » 6/03/08 9:35am 6/03/08 9:35am