BBC

University researchers trained sheep to recognise famous people, including Barack Obama and Fiona Bruce.

The reported move will leave the US as the only country now outside or opposed to the climate deal.

Teeth of the oldest mammals related to humans have been discovered on the Jurassic coast of Dorset.

Rescued pet apes in Indonesia are being returned to the wild, but traders are still "flouting the law".

A gibbon is the first of its species born in the wild to parents rescued from the illegal pet trade.

Elephants are looking for food in villages in India's forests, with deadly consequences.

Steve Ludlow has been injecting himself with venom for more than 30 years

The giant build-up of plastic bottles, cutlery and polystyrene plates was captured by underwater photographer Caroline Power.

At a depth of 700 metres, a Blue Planet II submarine was shoved by enormous sharks.

Scientists say that 2017 shows a continuing trend of high temperatures and extreme weather events.

The European Space Agency has part-funded the pilot project involving five ambulances in the Highlands.

More than half of people in the UK can't name a famous woman in science - this week, BBC 100 Women aims to change that number.

More than 80 had been stuck and were moved to other Highland areas with no red squirrels.

US plans to promote coal as a solution to climate change at a key UN meeting rile environmentalists.

A spokesman says climate is "always changing" after a report ties global warming to human activity.

The Norwegian island of Kvaløya is now one of the few places in Europe to see a pod of killer whales.

Scientists have just identified a new great ape species - and it's already in danger.

Highly-specialised staff are needed to take over from European nuclear regulators after Brexit.

The apes in question were only reported to exist after an expedition into Sumatra mountains in 1997.

Scanning technology suggests there is a large, previously unknown cavity in the ancient monument.