Maastricht University's study is the first to examine short-term effects of cocaine on emotions
Journalist Bryan Christy tracked ivory trade in Africa with GPS device hidden in fake tusk.
Research identifies the Baryonyx, an entirely new species in the UK that lived 200 million years ago.
Nasa recruits have started a year of living in a dome near a Hawaii volcano.
Dog in Florida has first surgery to give her a new nose and jaw after suffering horrific abuse.
The third-strongest hurricane ever in the US made a direct hit on New Orleans on 29 August 2005.
4,500-year-old settlement discovered in Argolic Gulf the size of 10 football fields.
NOAA says tropical storm Erika will continue to batter the Caribbean with 10 inches of rain in Dominican Republic.
12 people have been killed in Dominica by the storm which is headed across the Atlantic.
The giraffe calf is still being bottle-fed three times a day.
A large breakout of lava from a volcano on Hawaii's Big Island has flowed into the surrounding forest.
Watch the miracle of birth, with a disgusting twist
Full moon and lunar perigee will coincide to make it appear especially big.
Prehistoric monster shark tooth discovered by Croatian man on banks of the Kupa river.
What does it mean if the majority of what's published in journals can't be reproduced?
The 85-year old hopes to help get people on the Red Planet by 2040
Physicists find leptons treated in 'strange ways' not predicted by Standard Model.
The marine mollusc Allonautilus scrobiculatus has been seen near Papua New Guinea.
Dr Lucy Bowes says some young goths are more vulnerable to developing these conditions.
Scientists say the world is "locked in" on a 3ft (1m) sea level rise, driven by climate change.
Berlin's famous polar bear died from autoimmune disease of the brain – and hid his symptoms.
Once-a-century giant wave would threaten 130 million people living on the coast.
A newly discovered protein called SLLP1 has opened up theories on fertilisation.
Survey shows Americans' low awareness of Pope's position on global warming.
Scientists have developed an app that allows the public to track the species
The 2-year-old was born with an extremely rare condition known as diphallia
Some of the apes were seized from smugglers, but most were confiscated from entertainment businesses.
The remains were discovered in the Altai Mountains of Siberia.
China training macaques and falcons to dismantle bird nests in trees.
Crew were forced to suspend recycling process after filters on the urine-processing system expired in July.