Uncertainty in climate models could mean Earth systems are perilously close to their tipping points, scientists warn.

Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as once believed. New research from ancient Scottish rocks reveals that during ...

Methane is a powerful greenhouse gas with strong heat-trapping capabilities. Although there is less methane in the atmosphere ...

Climate change makes nitrous oxide disappear faster, creating new uncertainty for future climate and ozone predictions.

Thousands of satellites that disintegrate upon re-entry release aluminum into the atmosphere, disrupting polar winds and the ...

New satellite-based analysis explains how energy carried by Alfvén waves moves from Earth’s magnetosphere into the atmosphere to generate auroral light emissions.

The world is warming. This fact is most often discussed for Earth's surface, where we live. But the climate is also changing ...

The chemicals that helped save the ozone layer may be quietly seeding the planet with an indestructible pollutant.

Chemicals used in refrigeration break down in the atmosphere to produce trifluoroacetic acid, a persistent pollutant that ...

(CNN) — Particles from Earth’s atmosphere have been carried into space by solar wind and have been landing on the moon for billions of years, mixing into the lunar soil, according to a new study. The ...