earth's atmosphere

More water than expected enters stratosphere, where it's a potent greenhouse gas.

Remote-controlled plane will ply the tropopause to study ozone chemistry.

Molecular collisions in the atmosphere warmed the early Earth.

Carbon dioxide surge is reducing Earth's atmospheric pull.

A daredevil will skydive to Earth from 23 miles up on Oct. 8, diving through two layers of Earth's atmosphere.

Clouds send water vapor into atmosphere where it might react to destroy protective ozone.

Study to test if thunderstorms help make greenhouse gas.

Conditions are pretty grim on an Earth with no atmosphere.

The U.K. Met Office is planning to expand its research on the effects of space weather.

Ancient raindrops tell us about ancient Earth