Sally Ride, the first US woman to travel into space, has died aged 61 after a battle with pancreatic cancer, her foundation announces.

Instead of fleeing randomly when faced with a predator, sheep attempt to bury themselves within their flock, new UK research shows.

Universities are failing to produce enough science graduates with the skills needed for economic growth, a House of Lords committee report finds.

The secret sexual behaviour of Hoffman's two-toed sloths, one of the world's "laziest" mammals, is promiscuous but "not a total free for all", say scientists

A race to unlock genetic clues behind living to 100 will begin next year, with a US team announcing its intention to compete for the $10m genetics X Prize.

Ten fishing skippers are ordered to pay almost £1.2m, after admitting their involvement in a so-called black fish operation.

Australia's feral camel population has fallen by about 250,000 in recent years because of drought conditions and culling, a wildlife survey shows.

An expedition to find out what happened to celebrated US woman pilot Amelia Earhart is returning to Hawaii without the evidence it was looking for.