The latest stories from the Science & Environment section of the BBC News web site.
Updated: 6 min 33 sec ago
US President Barack Obama vetoes a bill that would have approved construction of the controversial Keystone XL oil pipeline, White House officials say.
Sea levels along the northeast coast of the US rose dramatically during 2009-2010 in an event scientists describe as "very unusual".
A brief look at some of the biggest sinkholes in recent history.
The head of the United Nations climate change panel, Rajendra Pachauri, steps down amid sexual harassment allegations he denies.
Scientists at the University of Newcastle are using microchips as fine as human hair to produce a prosthetic hand.
Gerbils from Asia rather than black rats were responsible for repeated outbreaks of the bubonic plague in Europe, a study suggests.
A new generation of bionic limbs could be the result of research being led by scientists at Newcastle University.
Kew Gardens, which is facing an annual £5m budget deficit, announces its new science strategy.
Smart syringes that can be used only once should be used for injections, the World Health Organization has announced.
Could a new "auto-disable" syringe help stem HIV outbreaks?
The biggest high tides in two decades are expected to hit parts of the UK coast this morning, which could see coastal flooding in areas.
Two astronauts spend six hours installing new cabling on the outside of the International Space Station.
The winds blasted out by supermassive black holes at the centre of galaxies are strong enough to slow the birth of new stars, astronomers reveal.
A Californian start-up will be allowed to advertise a mail order DNA test that screens for a rare genetic condition.
A major survey finds that marine animals have been getting bigger, on average, since the Cambrian period - and not by chance.
A farmer's son sacrificed his sheep to film a leopard
The National Trust urges caution over a report suggesting cannibalistic seals may be to blame for a spate of seal pup deaths in Norfolk.
Rare video footage of wild Amur tigers in China has been captured in the Wangqing Nature Reserve.
The debate continues over whether killer whales should be kept in captivity in theme parks.
A forgotten museum specimen mistaken for a plaster copy is found to be the fossilised remains of a new species of ancient reptile.