For 50 years, astronomers have been watching in bafflement as a giant star flickers with powerful, erratic X-ray emission.

When you're inside a tornado's vortex, your body experiences things the news cameras can't capture: The pressure change: A tornado is a localized area of rapi ...

The Great Salt Lake is so named because of the salinity of its water, but a new study appears to have detected a huge ...

A sunken Cold War-era nuclear submarine is quietly leaking radioactive material into the deep, dark waters at the bottom of ...

(AP) – After smashing March heat records in 14 states and the U.S. as a whole, the gigantic heat dome that's baked the ...

After decades of decline in the developed world, tuberculosis (TB) is back on the rise, and increasingly resistant to our best antibiotics.

Earth's climate is more imbalanced than at any other time on record, with 2015-2025 confirmed as the hottest 11 years on ...

A specific microbe found in the human gut appears to be able to boost muscle strength, new research suggests.

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 ...

NASA and the China National Space Agency (CNSA) plan to send astronauts to Mars as early as the next decade. Naturally, this ...

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

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