Rocks in the asteroid belt rotating at ultra-fast speeds suggest our understanding of asteroid structure might be wrong

Most covid-19 cases are caused by a particular type of variant, but do we need to worry every time a new one emerges?

A new type of ink could overcome one of the main downsides of tattoos: the inability to make them invisible

Atherosclerosis, the build-up of fatty plaque in arteries, usually affects people older than 50, but a "meaningful" proportion of younger adults also have the condition

Forests full of dead trees aren’t just found by the US coasts – they are also appearing far from the sea around freshwater lakes