BBC News

Adding or removing the colour cyan can have an impact on sleep, according to biologists.

The discovery of a prehistoric pet gibbon suggests humans pushed apes to extinction far back in history.

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 California.

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 that could mean guilt-free travel is part of a plan to tackle 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.

All corners of society attend a London service to pay tribute to the great Cambridge physicist.

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

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

The Kilauea volcano has been pouring lava into the ocean off Hawaii, causing a hydrochloric acid mist.

Experts say the findings could be life-changing for millions of patients.

Frogs trapped in amber for 99 million years give clues to lost world. The four fossils were found in Myanmar.

The words of the renowned physicist have been set to music by composer Vangelis.

Nasa says it is concerned but hopeful that a veteran robot rover can survive a big dust storm.

Xenophobic comments are found in private journals from the physicist's 1920s tour of Asia.

With Antarctica shedding ice at an accelerating rate, here's what you need to know about continent's ice sheet.

Scientists hope to save the saiga, a Central Asian antelope which survived the Ice Age, but is now in peril.

Satellites observing the White Continent detect a jump in the rate of ice being lost to the ocean.

Delegations to the European Space Agency vote to procure another batch of spacecraft, despite British calls to delay.

The internet is transfixed as the animal scales a 23-floor Minnesota building for nearly a day.

The red squirrel, the wildcat, and the grey long-eared bat face severe threats, a study says.

With the first 500mph runs now pushed back to mid-2019, there is more time to prepare the world's first supersonic car.

The US has more captive tigers than the rest of the world has wild ones. Why?

Many of the oldest and largest specimens of Africa's baobab tree have died over the past 12 years.

Calculating the number of daily births takes in the very largest and smallest creatures.

Francis tells oil executives the world must convert to clean fuel in an unprecedented conference.

Dr Richard Henderson is made a Companion of Honour in the Queen’s Birthday Honours.

Scientists are campaigning for a new emoji which they feel could be vital during earthquakes.

Scientists warn material including strands of underwear could be found in the seafood.

Nasa says organic matter suggests there might have been life on the planet.

Scientists say more work is needed to understand the health effects of consuming the seafood.

Methane on the Red Planet waxes and wanes with the seasons - another clue in the search for life.

The oldest known "footprints" left by an animal have been uncovered in China.

A Canadian firm says new technology has dramatically cut the cost of removing carbon from the air.

British farmers say they are facing a shortage of workers to pick fruit and vegetables as recruitment companies say they can't find enough to fill vacancies.

The European Commission sets out how it wants to spend €100bn (£87bn) on science in the next EU budget.

Socialist Prime Minister Pedro Sánchez puts women in charge of 11 of the 17 portfolios.