BBC

Koko is said to have been able to communicate thoughts and feelings using more than 1,000 hand signs.

Scientists are celebrating the birth 70 years ago of a machine that kick-started the modern computer age.

Dippy the diplodocus is proving a huge draw on its UK-wide tour. Why are some people so fascinated with dinosaurs?

Pigs in Scotland have had their genes altered so they are now immune to a deadly respiratory disease.

Scientists create pigs that are immune to one of the world's costliest livestock diseases.

The RemoveDebris satellite will trial technologies for snaring broken hardware drifting in orbit.

One mayor says children under 10 years old should not walk alone, in case of an attack.

Meet the new residents of a cave in Santa Monica.

European engineers shake their Mars rover to see that it can survive the violence of a rocket launch.

Puan left an "incredible legacy" of descendants for the critically endangered species, keepers say.

A battery-powered plane is Norway's latest part of the country’s plan to combat climate change.

As demand for air conditioning goes through the roof, what are the implications for our planet?

It took only small teams using ramps and ropes to cap the giant statues of Rapa Nui, a new study says.

A Japanese space probe has been sending back images as it approaches its target, the asteroid Ryugu.

A lot of Hong Kong's fish contains tiny bits of plastic that could end up on your plate.

It is horsefly season, which means all those enjoying the countryside should watch out for bites.

Wade Kelly's drone captured dozens of the reptiles on camera this week, sunbathing by the Daly River in Australia.

Improvements to the world's biggest particle smasher are designed to uncover new physics.

British actor Benedict Cumberbatch is among those giving readings at the ceremony.

Author and activist Will McCallum gives us his top tips for eliminating plastics from our everyday lives.