Jaw-dropping patient videos and miraculous testimonials ignited a frenzy in China over a technique that aims to improve drainage from the brain. Now it is entering trials worldwide.

Researchers are worried that an executive order signed by US President Donald Trump earlier this week will have negative consequences for children’s health across the country — and are laying out the ...

The world’s oceans are on the brink of setting an all-time heat record, reaching temperatures that could roil marine ecosystems and sap the ocean’s ability to take up carbon dioxide from the air. “It ...

Scientists have predicted the existence of a particle made of gluons for a long time, but detecting it has taken decades.

An ultra-sensitive camera attached to a giant balloon on Earth has captured light from a mysterious source at the centre of the Milky Way. For more than 50 years, astronomers have sought to understand ...

The Amazon rainforest might be closer to a tipping point than scientists thought. Some fear that droughts and fire could nudge it into irreversible decline.