A 500-million-year-old sea creature called Mollisonia shared a similar brain structure to modern spiders, suggesting that ...

A new analysis of an exquisitely preserved fossil that lived half a billion years ago suggests that arachnids—spiders and ...

A 13-million-year-old leg bone from an enormous flightless bird carries crocodilian tooth marks, showing South America was ...

Researchers have conducted the world's biggest ever bird survey, recording 971 different species living in forests and cattle ...

Peatlands cover just a fraction of Earth's surface, but store huge amounts of carbon. In the Peruvian Amazon, one of these ...