The record sheds light on the climate early humans experienced when they were spreading out of Africa. A tree-ringed African ...

A hidden source of clean energy could power the planet for more than a hundred thousand years if tapped into, according to ...

Warming in the Arctic is intensifying methane emissions, contributing to a vicious feedback loop that could accelerate climate change even more, according to a new study published May 7 in Nature.

New research suggests that the negative effects of the ozone hole on the carbon uptake of the Southern Ocean are reversible, ...