BBC News

The famous lemurs of Madagascar face such severe threats to their survival that none of them may be left in the wild within 25 years.

The OneWeb company, which aims to take affordable internet connectivity to every part of the globe, says it will need the biggest commercial rocket campaign in history to get all of its satellites in orbit.

The famous lemurs of Madagascar face such severe threats to their survival that none of them may be left in the wild within 25 years.

One of nature's most bizarre animals - Hallucigenia - is finally revealed in its entirety after specimens in Canada reveal its missing face.

A hairy Antarctic crab that was dubbed "The Hoff" when it was first found in Antarctic waters gets a formal scientific description and name.

How zoo giraffes are helping veterinary scientists to find out if very long, spindly legs are a help or a hindrance for walking.

Is the Dutch court ruling 'a game changer'?

In a desperate bid to save one of the world's most endangered animals, conservationists are taking the controversial step of defacing the last survivors.

Oxford University Museum of Natural History has been shortlisted for the Art Fund Museum of the Year.

A court in the Netherlands orders the government to cut greenhouse gas emissions by at least 25% by 2020, in a class action suit launched by activists.

The EU's climate chief says the UK's scrapping of subsidies will make it harder to meet renewables targets and an official describes the move as "mind-boggling".

Racehorses are continuing to get quicker, a study of winning times spanning 165 years of racing indicates.

A female from the first wild beaver colony in England for hundreds of years has given birth to at least two young.

Racehorses are continuing to get quicker, a study of winning times spanning 165 years of racing indicates.

The man who keeps discovering new species

How could someone survive at -56C with no oxygen?

US universities make symbolic return to Iran

A bid to start the UK's first fracking operation in four years near the Lancashire coast is being examined

The Scottish government publishes "radical" proposals aimed at widening the ownership of land across the country.

Director Christopher Nolan talks about the importance of accurate science in making his film Interstellar, after a leading scientific journal calls for it to be shown in school lessons.

A scientific journal calls for the film Interstellar to be shown in school science lessons.

The second of the European Union's Sentinel Earth-observing satellites launches on a mission that will allow scientists to map the performance of the world's crop harvests.

Modern humans and Neanderthals interbred in Europe, according to an analysis of 40,000-year-old DNA.

Canadian group Urthecast plans to put a 16-satellite constellation in orbit to image the Earth, including making small movies of what is happening at the surface of the planet.

The Earth has entered a "new period of extinction", a study by three US universities concludes, and humans could be among the first casualties.

More than a ton of confiscated ivory is crushed in New York's Times Square to send a message that the illegal trade will not be tolerated.

Scientists say they have the best evidence yet that there is hot lava spewing from the surface of Venus.

Europe's Philae comet lander has been back in touch with Earth - its first contact since Sunday.

Hundreds of thousands of tiny crabs have been washing up on Southern California's beaches, after warm ocean currents carried them closer to the shoreline than usual.

The women scientists who failed to get credit

The Pope issued his letter on the environment on Thursday. In it he said that climate change was mostly a man-made problem.

Scientists report that wild kangaroos tend to favour their left hands in common tasks - the first example of non-human, species-wide "handedness".

Most illegally poached African elephant ivory can be traced back to just two areas of Africa, research shows.

DNA tests show an ancient skeleton known as Kennewick Man is related to modern Native Americans - reigniting a debate over whether his bones should be returned to local tribes and reburied.

A pygmy hippopotamus calf has taken to the water for the first time with his mother at Melbourne Zoo.

Policymakers have a "once in a generation" opportunity to reform the insurance sector to help those at risk from climate change impacts, say researchers.

Pope Francis has blamed human selfishness for global warming in his long-awaited encyclical calling for action on climate change.

New onshore wind farms will be excluded from a UK government subsidy scheme from 1 April 2016 - a year earlier than expected.

Neuroscientists find that artificially stimulating a positive memory can cause mice to snap out of depression-like behaviour.

Scientists use genetic markers to build a criminal's face

One of the UK's most threatened birds - the bittern - is returning to England and Wales, according to conservationists.

A tiger that killed a man and wounded another after escaping from a flooded zoo in Georgia has been shot dead, the Georgian interior ministry says.

A global bioenergy assessment concludes that biofuels could provide up to a third of the world's transport fuel needs by the middle of the century.

France's Ecology Minister Segolene Royal urges people to stop eating Nutella because it is made with palm oil and damages the environment.

No new signals have been picked up from the Philae comet lander since a brief radio contact on Sunday, but controllers say this is not surprising.

Hunter Treschl, who survived a shark attack in North Carolina on Sunday, talks about the moment he was attacked and about losing his arm.

A flamingo in Brazil has been fitted with a prosthetic leg.

Almost 80% of crop pollination by wild bees is provided by just 2% of the most common species, say scientists.

Nobel laureate Sir Tim Hunt should not have had to resign over remarks he made about women in science, Prof Brian Cox says.

A humpback whale is spotted off the coast of Liverpool for the first time in more than 70 years.