Millions of people have a heart rhythm disorder called atrial fibrillation, which causes the heart's upper chambers or atria ...

Early signs of Alzheimer's disease may be hidden in the way a person speaks, but it's not yet clear which details of our ...

When a virus jumps to humans from another species, it can seem like a supervillain bent on world domination – especially if ...

Comb jellies – very simple, gelatinous creatures best-known for their hypnotic underwater light shows – first appeared in ...

It would be tempting to assume there's nothing much of note happening on Mars, but that dusty rusty planet has a lot of ...

Bacterial meningitis is once again in global headlines, with recent cases linked to the University of Otago in New Zealand ...

Athletes commonly use short periods of heat exposure – typically seven to 14 days – to prepare for competition in hot ...

When certain gut microbes were transferred to mice, scientists later detected the bacteria in the gut and brain, but nowhere ...

For thousands of years, humans living high in the Argentinian Andes have relied on drinking water that would make most people ...

Far away, alone in a crater on a planet inhabited only by robots, NASA's Perseverance rover explores a dry landscape that was ...

This week in science: A study finds a surprising bonus benefit of the keto diet; CERN discovers a new particle; a worrying ...

A coffee hit might be more commonly associated with increased alertness, but a new study shows that it could also help lower ...