Scientists and government officials are meeting in Copenhagen to edit a report on the causes, impact and solutions to global warming.
Animals took so long to evolve and thrive on Earth because of incredibly low levels of oxygen during a period more than a billion years ago, scientists say.
Scientists confirm that a frog found living in New York City wetlands is a new species.
The builders of an unmanned supply rocket which exploded on the way to the International Space Station have vowed to find the cause of the failure.
Australian scientists say they have successfully tested a vaccine aimed at protecting wild koalas from chlamydia.
An innate ability some people have to manipulate their vocal frequency could be the key to sounding charismatic, according to new research.
About 2,000 hectares of fertile land are lost each day due to damage caused by salt, according to a UN analysis.
A new study confirms that giant tortoise numbers on one of the Galapagos Islands have bounced back thanks to captive breeding.
Plans are unveiled for a £97m supercomputer which will boost the Met Office's computing capacity by 13 times, improving weather forecasting and climate modelling.
Google is attempting to diagnose cancers, heart attack risks and other ailments with a system that combines nanoparticles and a wrist-worn sensor.
Two genes are associated with repeat violent offenders, according to a genetic analysis of almost 900 criminals in Finland.
Australia's Academy of Science says a government draft plan to protect the Great Barrier Reef will not prevent its decline.
Attempts to restrict population growth will not solve global sustainability issues in the short term, new research says.
DNA-programmed blotting paper could soon be giving doctors a simple disease test that will reveal an infection in 30 minutes for just a few pence.
A new £1.1m study led from Dundee University is to investigate whether eye tests can provide an "early warning" of Alzheimer's disease.
The UK's smallest and rarest swan suffers an "alarming crash in numbers", the Gloucestershire-based Wildfowl and Wetlands Trust says.
Google executive Alan Eustace breaks the world altitude record for a parachute jump set two years ago by Felix Baumgartner.
The UK's chief scientist says the oceans face a serious and growing risk from man-made carbon emissions.
The capital's three remaining lionesses are being temporarily relocated to Bedfordshire.
A fragment of ancient Australia is found under Vanuatu in the South Pacific, raising new questions about how continents are formed.
Campaigners start legal action to prevent the government from capturing a family of wild beavers.
The extinction of the biggest shark known to science may have triggered whales to grow to their current hefty sizes, a study suggests.
Farmland birds are at their lowest levels since records began, according to government figures.
DNA analysis of a 45,000-year-old human has helped scientists pinpoint when our ancestors interbred with Neanderthals.
Two dinosaur skeletons have been unearthed in Mongolia, solving a mystery that has baffled palaeontologists for 50 years.
A black and white image of lions resting on a rock outcrop in the Serengeti has won the 2014 Wildlife Photographer of the Year award.
Roman gladiators had a diet that was mostly vegetarian, according to an analysis of bones from a graveyard where the fighters were buried.
The EU agrees what it calls "the world's most ambitious" deal to cut greenhouse gas emissions by at least 40% by 2030, overcoming deep divisions.
The 10 trees to make the final of England's "Tree of the Year" competition are announced.
Small tags stuck to the undersides of baby loggerhead turtles are used to follow the animals' frenetic first hours.