News tagged with earth atmosphere

The hazy history of Titan's air

What rocky moon has a nitrogen-rich atmosphere, Earth-like weather patterns and geology, liquid hydrocarbon seas and a relatively good chance to support life? The answer is Titan, the fascinating moon of Saturn.

Oct 13, 2011
4.9 / 5 (8) 18 | with audio podcast

Greenhouse effect could extend habitable zone

The distant region beyond Saturn is too cold for liquid water, a necessity for life as we know it. But new research indicates that rocky planets far from their parent star could generate enough heat to keep ...

Aug 26, 2011
4.8 / 5 (9) 20 | with audio podcast

Sulfurous signs of life

Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.

Jun 30, 2011
3.7 / 5 (9) 17 | with audio podcast