The Antarctic ozone hole would have been 40% bigger and a hole over the Arctic would have opened up if ozone-depleting chemicals had not been phased out, according to research.
A volcanic eruption on one of the Galapagos Islands potentially puts Charles Darwin's evolution ecosystem at risk.
The smallest and rarest marine dolphin in the world could be extinct within 15 years if protection is not stepped up, according to research.
Parts of the iconic Great Orme headland in north Wales are safeguarded for the future after being bought by the National Trust.
In what will be its greatest challenge yet, the zero-fuel aeroplane Solar Impulse will soon try to fly non-stop from China to Hawaii - a journey of more than 8,000km across the Pacific Ocean.
Islamic State's capture of Palmyra in Syria threatens the last surviving colony of the northern bald ibis in the Middle East, experts says.
Renowned mathematician John Nash, subject of the film A Beautiful Mind, dies in a New Jersey taxi crash with his wife.
Beavers should be resident in Scotland says the National Trust as it announces its support for reintroduction projects.
Purring spiders use leaves as microphones and speakers to transmit their purring courtship song to a female, scientists find.
Thousands of species of the ocean's tiniest organisms are revealed in a series of studies.
Satellites have recorded a big sudden change in the behaviour of glaciers on the Antarctica Peninsula, according to a UK-based team.
The Large Hadron Collider is smashing protons at the highest energy ever attempted - but they are only test collisions, as the LHC continues to gear up its second run.
Swedish researchers say that dogs may have been domesticated much earlier than some studies suggest.
Researchers discover the 425-million-year-old remains of a new species of parasite - still clamped to the host animal it invaded.
Stones tools that are 3.3 million years old have been unearthed pre-dating the earliest-known humans in the Homo genus.
Nobel-winning structural biologist Venki Ramakrishnan is elected to become the next president of the Royal Society.
A new iPad app is asking users to "tag" tigers in images gathered from the internet, to help researchers with counting and tracking the animals.
Europe will not be mounting a sample-return mission to an asteroid, having rejected the MarcoPolo concept at the third time of asking.
The UK government’s claim that the country leads the world in cuts of carbon emissions is challenged by researchers at Leeds University.
The UK government is to establish the largest marine reserve in the world around the Pitcairn Islands in the Pacific.
Mercury pollution has risen nearly 50-fold in the feathers of a gull that feeds and breeds in the Arctic, say scientists.
Negotiations are opening on a £1bn tidal lagoon scheme in Swansea as the chancellor gives his Budget speech in the House of Commons.
The BBC's Andrew Bomford finds out where the millions of tonnes of earth go that have been excavated during the cross rail project.
The planned flight of the sun powered plane, Solar Impulse 2, has been postponed.
Professor David Siveter from the University of Leicester explains how a 425 million year-old parasite was frozen in time at a site in Herefordshire.
Dogs may have been domesticated much earlier than previously though, Swedish researchers suggest.
The Inuit people of Greenland are challenging an EU ban on seal hunting and the trade in seal meat and skins, arguing it has "crashed" the Inuits' economy.
A project will see thousands of schoolchildren experiment on seeds that have spent six months on the International Space Station.
A breeding programme is being set up for the rare Tansy beetle, which is threatened with extinction.
Dozens of British beaches and lakes are at risk of failing to meet tougher European water quality standards this summer.