Orcas have been seen smashing into sharp-tail sunfish so hard that the fish bursts into thousands of fragments, perhaps as a ...

China is the first country to enact substantial legislation on AI relationships in an effort to protect people from the worst ...

Readers take issue with a former answer to this question, arguing for the different behaviour of wasps and flies – and for a ...

A handheld breathalyser picks up on a molecule called acetone, revealing that your body is using fat for energy ...

Air usually seems “stale” if it contains elevated levels of carbon dioxide (from human respiration) and odour, neither of ...

Sublimation, in which a person can split into two when crossing an international border, is tip-top stuff. Don't miss it, ...

Feedback is surprised to learn that geology is a particularly deadly speciality to pick if you're a fictional character, with ...

Tom Gauld's weekly cartoon ...

The long fangs of Smilodon were thought to be rather delicate, but a study of large herbivore remains from Argentina shows ...

This beautiful artwork of climate activist Gladys Bartlett is a reminder of the fate of Kale Island, her former home. It is ...

This week's cartoon from Twisteddoodles ...

Decreasing the amount of oxygen that IVF-conceived embryos are developed in could improve outcomes, such as reducing the risk ...