The latest stories from the Science & Environment section of the BBC News web site.
Updated: 4 min 40 sec ago
China has signalled its desire to tackle climate change - but it seems to want to keep a foot in both camps, says Matt McGrath.
China's President Xi Jinping calls for "win-win co-operation" with the US on his first state visit to Washington.
The Moon will turn a rusty hue on Monday and may seem larger in the sky, say astronomers.
Energy company Drax has abandoned plans to introduce new technology to cut carbon dioxide emissions at the biggest coal-fired power station in the UK.
North Sea cod is taken off the Marine Conservation Society's list of fish to avoid eating, although it should be only an "occasional treat", it says.
A great swathe of Pluto that features a strange rippling terrain is perhaps the highlight of the latest image release from the New Horizons mission.
Energy company Drax has pulled out of a £1bn carbon capture project because of the government's decision to reduce subsidies for renewable energy.
Visitors to London's Natural History Museum are being given the opportunity to see 3D prints of the sensational new Homo naledi fossils.
Atmospheric levels of a little known by-product from diesel engines are up 70 times higher than expected according to a study.
A lack of investment will hamper efforts to ensure Africa's farmers can feed future generations in the face of a changing climate, a report warns.
Scientists say they have discovered a genetic clue to why some breast cancers relapse, which could lead to better treatment.
The way the body can track the passing of the seasons in a "chemical calendar" has been discovered by scientists.
As the commercial era accelerates, who owns outer space?
Over three winters in the waters of a Svalbard fjord, scientists have catalogued surprisingly high levels of animal activity during the long polar night.
Scientists report surprisingly high levels of animal activity in the Arctic ocean during the long, dark polar winter.
US Nasa astronaut Tim Kopra, British ESA astronaut Tim Peake, and Russian cosmonaut Yuri Malenchenko hold a news briefing
The design team behind the Bloodhound Super-Sonic Car put its near-complete vehicle on show in London, ahead of an assault on the world land speed record next year.
Dundee University scientists are called in to help investigate a decapitation in Brazil which took place 9,000 years ago.
The front grounds of London's Natural History Museum are to undergo a multi-million-pound redevelopment, which will also include a new position for "Dippy the Diplodocus".
A paraplegic man has been able to walk a short distance after scientists used a computer which read signals from his brain and then sent stimulus to his legs.