The latest stories from the Science & Environment section of the BBC News web site.
Updated: 7 min 14 sec ago
America's huge humming arches
The world's oldest water, which is locked deep within the Earth's crust, is present at a far greater volume than was thought, scientists report.
People in the UK are using less energy, even though the economy is growing, new figures confirm.
Satellites view how Christmas in the US and Ramadan in the Middle East brighten the globe.
An image has been released that shows the hairy moment that the Philae comet lander bounced back into space.
The creeping movement of the ground in California's Napa Valley, following its August earthquake, has been observed from space.
The UK government has formally unveiled its strategy for science and innovation.
An interactive journey through quantum theory
Scientists assess the scale of the epic California drought and say it will require more than 40 cubic km of water to return the US state to normal.
A theory that the Himalayas' mythical yeti is a rare polar bear-brown bear hybrid animal is being challenged.
Arctic ground squirrels could play a greater role in climate change than was previously thought, research suggests.
Nasa's Curiosity rover has detected "belches" of methane gas on Mars - a gas that could hint at past or even present life on the planet.
An enormous vessel is being built to collect and liquefy gas at sea for the first time.
Enormous ship will collect and liquefy gas at sea
An international team of experts is engaged in a last ditch effort to save the northern white rhino from extinction.
Scientists shed light on the energetic emission of radiation that occurs in thunderstorms.
One of the world's last remaining northern white rhinos has died at a zoo in California, the 44-year old male named Angalifu died of old age, leaving only five in the world.
Tiny microbes uncovered by the deepest-ever marine drilling expedition are analysed by scientists to see how they can survive under the seabed.
Satellite data reveals that the most dense stores of carbon in Amazonia is not above ground in trees but below ground in peatlands.
Denmark makes a claim to the UN, arguing the area around the North Pole is linked to the continental shelf of Greenland, its autonomous territory.