News tagged with atmospheric carbon dioxide

Bursts of methane may have warmed early Mars

The presence of water on ancient Mars is a paradox. There's plenty of geographical evidence that rivers periodically flowed across the planet's surface. Yet in the time period when these waters are supposed to have run—three ...

date6 hours ago in Space Exploration
shares239 comments 5

What is the weather like on Venus?

Venus is often called Earth's "Sister Planet" because of all the things they have in common. They are comparable in size, have similar compositions, and both orbit within the Sun's habitable zone. But beyond that, there are ...

dateDec 05, 2016 in Space Exploration
shares108 comments 0