BBC News

Physicists have shed new light on one of the greatest mysteries in science: Why the Universe consists primarily of matter and not antimatter.

The UK plutonium stockpile at Sellafield represents "thousands of years of energy in the bank" says a leading scientist.

Ornithologists ask the public to help survey garden goldfinches, in an effort to work out if feeding is driving up the birds' population.

Ornithologists ask the public to help survey garden goldfinches, in an effort to work out if feeding is driving up the birds' population.

Honeybees that were once the stuff of legend among bee enthusiasts are playing a key role in a fight against diseases fatal to the insects.

Scientists in Japan have developed a type of glass that 's harder than some metals.

A debate is unfolding about the finding, published in February, that chimpanzees can adapt their grunts to communicate with new neighbours.

Professional footballers have worryingly poor teeth that could be affecting their performance on the pitch, say dentists.

Cockroaches are usually associated with dirt and disease, but they are inspiring the design of new robots, prosthetic limbs and antibiotics.

As the International Space Station celebrates 15 years of astronauts living on board, Chris Hadfield tells the BBC what life is like.

The International Space Station is marking the 15th anniversary of humans being on board.

Ten long-finned pilot whales are found stranded on a beach in Calais, with three surviving and returning to sea.

BAE Systems buys a 20% stake in a company developing a radical engine that could propel aircraft into space.

An "extremely well preserved" family burial vault is discovered "accidentally" at Gloucester Cathedral.

Why don't people see the yeti any more?

A dig in Jersey yields a stash of hunter-gatherer artefacts, including engraved stones which may pre-date all known ancient art in the British Isles.

There is concern that England's only wild beavers have disappeared.

An asteroid called TB145 will pass within a few hundred thousand kilometres of the earth.

A new design for lithium-air batteries overcomes several hurdles that have stood in the way of this "next-generation" concept.

Marine wildlife experts believe dolphins attacked a young pilot whale which was found stranded on a beach in Skye.

The UN says the current climate plans from 146 countries represent a significant advance - but will not be enough to prevent dangerous warming.

BBC Click's LJ Rich looks at some of the best of the week's technology news.

Puffins and turtle doves are among four UK bird species now at risk of extinction, according to the latest revision of a global conservation database.

Senior Buddhists have called on world leaders to agree a new climate change agreement at a conference in Paris next month.

The Rosetta spacecraft discovers molecular oxygen in the cloud of gas surrounding Comet 67P prompting a rethink on the origins of the Solar System.

Authors of a study on lion populations believe many are in rapid decline and the animal should now be classified as endangered in parts of Africa.

How a couple in Taiwan has built a farm solely from recycled materials including wood, glass and newspapers.

How do you stop the horn trade?

The Cassini spacecraft has made a final ultra-close flyby of Enceladus, a moon of Saturn, to "taste" the water it is spewing into space.

Engineers in Bristol develop a system that holds and moves small objects without touching them, using "holograms" built from sound waves.

Six pairs of giant panda twins, born in China's Sichuan province, make their public debut.

A case of anthrax in a cow is confirmed on a farm in Wiltshire, Public Health England confirms.

Mars, Jupiter and Venus will be seen together in the sky this week, in a rare grouping of the three planets.

The UK's most popular dog breed can suffer from weight gain in middle age just like people, a canine health survey by Edinburgh scientists finds.

About 1,000 Bikini islanders are hoping to relocate to the United States as rising seas threaten their adopted home.

The great British tradition of conker fighting is under threat because of an infection which is being spread through the country by a moth - which eats horse-chestnut trees.

Australia names Dr Alan Finkel as its next chief scientist, an engineer and vocal advocate of nuclear power who set out a vision of a future with "no oil, gas or coal".

Rock star Brian May's request for a judicial review into the legalities of badger culling is rejected.

Take a coffee plant and some volcanic soil, keep indoors for a while and despite the cold, you could have Northern Ireland-grown coffee.

A supermarket in London is shocking customers by selling live crabs wrapped in plastic. But do crabs actually feel pain?

The deadly quake in Afghanistan and Pakistan was large but mercifully deep, according to geoscientists studying the area.

More than 150 people are reported killed after a major earthquake hits north-east Afghanistan and Pakistan, with many more injured.

The Welsh island of Anglesey has wiped out grey squirrels

Tributes are paid to the historian and biographer Lisa Jardine following her death at the age of 71 from cancer.

Watch as an ash tree is felled and part of the wood is turned quickly into a spoon in this 60-second time lapse.

Arctic sea-ice volume during the first two weeks of October was about 6,200 cubic km, according to the Cryosat spacecraft - tracking down from the high in 2013.

Can you make a moral case for eating meat?

BBC News NI's Conor Macauley joins a group of volunteers from Copeland Bird Observatory to record seals on the County Down coastline.

Archive footage has been uncovered of a group of beavers being parachuted into wilderness in the US.