Before long Covid there was post-viral fatigue – a mysterious set of illnesses caused by other infections. Now scientists are starting to unravel its secrets.

The fear of nuclear war forced nations to come together to stop the spread of atomic weapons. Could a similar idea curb the use of fossil fuels?

These giant rocks could roll at any moment. The fact they haven't offers a window into the shaking of ancient Earth.

Britain's oldest satellite is in the wrong part of the sky, but no-one's really sure who moved it.

Chilli, turmeric and other spices are often claimed to have health benefits. But can spices really add any health benefits to our food, or help us ward off illness?

In the past, coffee was associated with increased health risks. But research from the last decade finds that drinking coffee may actually benefit your health.

Blind spiders and whip scorpions, the future of climate change, photosynthesis in the dark – here's what the deepest places on Earth can reveal about life and the universe.

Disease-causing microorganisms churn in the floodwaters after a hurricane and grow in people's homes long after the first danger has passed.