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The South Pacific blast may have consumed its own methane -- but using this idea against the greenhouse gas is controversial.

A global model suggests that climate change could make hailstones larger and more damaging in many regions, especially at mid-to-high latitudes.

Scientists rethink their ideas after experiments. AI agents struggle to learn from evidence and recognize when an idea is obviously incorrect.

Scientists spotted patterns hours before a major solar flare, a discovery that could help forecast dangerous eruptions.

Andes hantavirus causes deadly lung failure, but its method of attack differs from other respiratory illnesses. The details might inform future treatments.

Hours of diving videos and hundreds of survey responses reveal the common diver mistakes that can cause irreversible reef damage.

Editor in chief Nancy Shute introduces a new social sciences column that explores what it means to be human.

Metals like copper oxidize -- reacting with oxygen in the air -- but gold doesn't, thanks to a quick switch in atom arrangement on its surface.

As Congo's Bundibugyo Ebola outbreak grows, public health responders are turning to old-school tactics to fight it as scientists search for new tools.

A noninvasive treatment called high-intensity focused ultrasound helped relieve the shaking, stiffness and pain that accompany Parkinson's disease.