Related topics: planets · mars · water · nasa · earth

Drilling Down into Mars

(PhysOrg.com) -- NASA's Phoenix lander revealed water ice mere inches beneath the martian surface, and chemical evidence from the landing site strongly hints that the region is habitable. But learning whether there is life ...

Discovery of an extrasolar earth-sized planet

(PhysOrg.com) -- There are now over 490 confirmed extrasolar planets. The vast majority are gas giants like Jupiter, but they are much stranger because many orbit close to their stars and so are much hotter than Jupiter (some ...

Mars gullies likely contain 'no water', study says

Months after scientists announced "the strongest evidence yet" of liquid water on Mars, a study Monday said there was none at least in the valleys carved into numerous Red Planet slopes.

What is Consuming Hydrogen and Acetylene on Titan?

(PhysOrg.com) -- Two new papers based on data from NASA's Cassini spacecraft scrutinize the complex chemical activity on the surface of Saturn's moon Titan. While non-biological chemistry offers one possible explanation, ...

Former 'Mars czar' reviews latest news on the red planet

Since June, we've heard major news about two indicators of possible life on Mars and become absorbed with the fate of the rover Opportunity, shrouded in one of the planet's global dust storms. We've also looked back on rover ...

page 16 from 40