Hot Jupiters are the most astounding planets in the galaxy

They’re big, full of gas, and have a penchant for hanging out way too close to their parents. These “hot Jupiters” are among the most common extrasolar planets in the galaxy. Here’s what the latest science is telling us about these celestial wonders. » 8/21/13 10:09am 8/21/13 10:09am

Spirit, the Mars Rover, Left to Die Before Its Time

The brave, unflagging Mars rover Spirit, who has lived on the Red Planet for almost four years, has been given a death sentence by the U.S. government. Right now, the little robot is resting on a sunny slope, waiting out the winter and preparing to do more tests on the Martian atmosphere. But now it looks like Spirit… » 3/25/08 7:00am 3/25/08 7:00am

Sulfuric Acid Floods Created Martian "Grand Canyon"

Unusual fan-shaped features cut into the Martian surface were caused by sulfuric acid "water" exploding from underground and sweeping across the surface of the planet. Yesterday a team of European and US scientists announced this finding, which is based on satellite data from a European Space Agency satellite in orbit… » 2/21/08 7:00am 2/21/08 7:00am