Robot Finds Melting Ice on Mars

Remember that mystery white substance that the Phoenix Lander uncovered beneath Martian soil with its robot arms? Scientists were speculating that it might be salt or it might be ice. Now, a few days later, it's looking very much like ice. Why? It's melting, as you can see in these pictures. » 6/20/08 7:00am 6/20/08 7:00am

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 found … » 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