BBC News

Levels of beneficial omega-3 oils in farmed salmon have fallen significantly in the past five years.

Fracking can go ahead in Lancashire, says the government, in a landmark ruling for the UK shale gas industry.

Young African scientists show off their inventions, including a prototype of flying car, at an expo in the South African city of Johannesburg.

Scientific detective work on fossils collected in Victorian times has identified two new species of ichthyosaurs - the giant sea reptiles that swam at the time of the dinosaurs.

Half a century of the planet's volcanic eruptions and earthquakes go online in a unique animated app.

Half a century of the planet's volcanic eruptions and earthquakes go online in a unique animated app.

Footage released by the US Geological Survey has been released of the lava lake on top of Hawaii's Kilauea volcano.

The common toad is in decline across much of the UK, and needs better protection, say conservationists.

Scientists are a step closer to solving the mystery of one of the great animal migrations - the journey of eels to the Sargasso Sea.

What are the potential uses for molecular machines, which have won the 2016 Nobel Prize in Chemistry.

Our life spans appear to be limited to about 115 years, according to US scientists.

Amazon boss Jeff Bezos has furthered his ambition to launch people into space by practising a critical safety manoeuvre on his New Shepard vehicle.

The 2016 Nobel Prize for Chemistry has been awarded for developing the world's smallest machines.

Peru's first national satellite, PerúSAT-1, returns its maiden image of the South American country.

Switching to a low-carbon economy offers cities "significant economic opportunities" if they can collaborate with the private sector, an assessment suggests.

The man behind attempts to develop synthetic rhino horn has told the BBC that he hopes to have a "bio-identical" product on the market in two years.

A new study aims to assess whether the seas around Britain have now got so noisy that fish species like cod and haddock have difficulty communicating with each other.

Astronomer Annie Maunder achieved many firsts in her lifetime, but her story has slipped from history.

Professor Duncane Haldane is one of three British-born scientists to win the Nobel Prize for Physics.

The European Parliament backs the ratification of the Paris climate deal, the world's first comprehensive climate agreement.

The British authorities in Cyprus are doubling the number of officers targeting illegal songbird trapping on British military territory on the island.

The UK authorities in Cyprus are doubling the number of officers targeting illegal songbird trapping on British military territory.

The 2016 Nobel Prize in Physics has been awarded to three British-born scientists for discoveries about strange forms of matter.

Known for its long whip-like tail, the threatened Thresher shark is among a number of marine species given extra protection at the Cites meeting.

Attempts to give the maximum level of international protection to all African elephants have foundered at a key species conference in Johannesburg.

The 2016 Nobel Prize in physiology or medicine goes to Yoshinori Ohsumi for discoveries about the secrets of how cells can remain healthy by recycling waste.

An Asian bird species under threat for it's ivory-like "helmet" has gained extra protection at the Cites conference in Johannesburg.

A butterfly struck up an unlikely friendship with a koala joey at Symbio Wildlife Park in New South Wales, Australia, with adorable results.

Delegates at a UN wildlife conference in South Africa endorse calls for the closure of all domestic ivory markets.

Nasa's Solar Dynamics Observatory captures a magnificent display of coronal loops above an area with strong magnetic fields.

Seven species of yellow-faced bee native to Hawaii are the first bees to be added to the US list of endangered species.

Arab nations join forces with African countries in a bid to suppress the illegal live trade in cheetahs, with a special focus on social media.

Mission control in Darmstadt, Germany, react to confirmation that the Rosetta probe has ended its mission to Comet 67P by crash-landing on to the icy object's surface.

Professor Monica Grady of the Open University gives her reaction to the Rosetta probe crash landing into the comet it has been studying for two years.

Where now for British scientists and plans to explore the galaxy?

Europe’s Rosetta probe ends its mission to Comet 67P by crash-landing on to the icy object’s surface.

Officials are awaiting confirmation of the Rosetta probe's collision into a 4km-wide ball of ice and dust.

Campaigners are demanding better safeguards for the UK's marine mammals after the EU said it would take Britain to court over harbour porpoises.

Science editor David Shukman goes on board the plane measuring the jet stream to find out how it affects our weather.

The Rosetta probe, which has been beaming back spectacular pictures of a comet, is to end its journey by crash landing.

A new database suggests a dramatic under-reporting of the live, illegal trade in great apes including orangutans, chimpanzees and gorilllas.

The European Commission takes the UK to court for failure to allocate safe marine areas for harbour porpoises.

A campaign is urging young people to share their thoughts and ideas via social media on the future of the UK's parks and open spaces.

Campaigners call for reform as figures reveal taxpayers are paying more than £400,000 a year to subsidise a Saudi billionaire's farm.

A little known species driven to the edge of extinction by poaching, has gained extra protection at the Cites meeting in South Africa.

Europe's only non-human primate, the Barbary Macaque, has gained the highest level of protection at the Cites meeting in South Africa.

Projected climate change is set to happen too quickly for grass species, including major food crops, to adapt to the new conditions, a study suggests.

Garden ponds are playing a role in the spread of deadly frog diseases across the UK, a study suggests.

British conservationist Sacha Dench is on the first leg of an epic 4,500 mile paramotor flight following migrating swans.