Women in East Africa look at a dead stalk of corn

Is climate change fueling civil war?

Droughts, floods, natural disasters—new research shows, without radical reductions in greenhouse gas emissions, one in four armed conflicts will result from climate change by century’s end.
An artist's depiction of a superflare on an alien star.
Rare ‘superflares’ could one day threaten Earth
Large boulders in a river
Large boulders help shape huge canyons, researchers find
A family in Rwanda using a wood-burning cookstove as part of a large-scale delivery program
Engineers deliver water filters, cookstoves to improve health in Rwanda
Microscopic view of light bending around a big atom
Scientists offer designer ‘big atoms’ on demand