Britain's native toad is at risk from a deadly infection that has driven many amphibians to extinction, say scientists.

A 53-million-year-old spider is revealed in exquisite detail by scientists from the UK and Belgium.

Scientists analysing 25 years of data find some 80% of animals have extended the northern edge of their ranges.

Nasa does a U-turn and sends Atlantis back to its pad to ride out Tropical Storm Ernesto.

Australians have been urged to wear khaki on Friday, in memory of "Crocodile Hunter" Steve Irwin's trademark attire.

UK schoolchildren are being offered the chance to design an experiment for a small satellite.

Patients should beware of so-called stem cell wonder cures as most have not been properly tested, experts say.

Evidence is emerging from Africa that colours were being used in a symbolic way perhaps 200,000 years ago, a UK scientist claims.

EU delegates threaten to boycott a US-led climate summit as the US opposes emissions targets at UN talks.

More state pupils might do A-level maths if offered a £500 bounty, an Oxford college head says.

Latin America and the Caribbean face the risk of more climate-related disasters, a report warns.

A search for missing US adventurer Steve Fossett resumes in the Nevada desert, officials say.

Oil reservoirs could have an environmental make-over with the help of bacteria, researchers say.

Scientists have high hopes for a new mission to investigate colossal explosions on the surface of the Sun.

New observations indicate Saturn's iconic rings may be billions of years old - far older than previously thought.