On 5 February, the planet entered an even more precarious era of escalating nuclear risks. The expiration of a strategic-arms ...

Researchers summarize key insights from the world’s first comprehensive investigation into how a pandemic started.

The country is facing a coming wave of dementia for its ageing population, and is investing in research into drugs, ...

The ability to make two distinct sounds at once is shared with human beat boxers and throat singers. The horse whinny, or neigh, has been a familiar sound at least since the animal was domesticated, ...

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.