Faced with a rash of shark deaths marked by brain swelling, Canadian and American scientists are trying to solve a marine mystery.

Faced with a rash of shark deaths marked by brain swelling, Canadian and American scientists are trying to solve a marine mystery.

The drug, Journavx by Vertex Pharmaceuticals, blocks pain signals to the brain, making it nonaddictive.

Fraud in research needs to end.

As many as two billion people suffer from it — including me. Can science finally bring us relief?

The White House contradicts a new intelligence assessment on the mysterious ailments that diplomats and spies have reported for years.

A Green Beret who had served several combat tours fatally shot himself in a Cybertruck that exploded outside a Trump hotel on New Year’s Day.

Adopting even just one of these easy strategies can make a meaningful difference in how you feel and function.

A new study is “a bit of a counterweight to the endless hyperbole about how incredibly complex and powerful the human brain is,” one researcher said.

A mutant gene is coming to steal Linde Jacobs’s mind. Can she find a way to stop it?

Extreme turbulence, a blown-out door, an engine on fire: For passengers and crew members who have experienced in-air emergencies, the pain endures.

© Clayton Cotterell for The New York Times