The latest stories from the Science & Environment section of the BBC News web site.
Updated: 6 min 45 sec ago
Scientists use gravity data to produce what they say is the most accurate space view yet of global ocean currents and the speed at which they move.
A PhD student from Brunel University London has saved himself £100,000 by 'hacking' his own kit. Adam Lynch created his own inverted microscope by adapting a cheap instrument he bought online.
Tasks for Italy's first female astronaut
Urban agriculture plays a much more extensive role in global food security than previously estimated, a study using satellite data suggests.
The brain has a weak spot for Alzheimer's disease and schizophrenia, according to experts who have pinpointed the region using scans.
A novel autonomous sub acquires the first detailed, high-resolution 3D maps of Antarctic sea ice.
A volcano has erupted on the Cape Verde island of Fogo, resulting in the evacuation of hundreds of residents and the closure of a local airport.
A campaign begins to reduce light pollution in South Downs National Park and give it dark skies special status.
Successful conservation projects have reversed the decline of salmon in many UK rivers, as John Maguire reports.
Overseas territory demands compensation for atom bomb tests.
Italy's first female astronaut has arrived at the International Space Station.
Peru's environmental police launch an investigation into the deaths of some 500 sea lions found on a northern beach.
Eider ducks on Northumberland's coastal areas are being harmed by people feeding them fish and chips and bread, a wildlife expert warns.
The world's largest crane ship, which is capable of lifting oil rigs, sets sail from its shipyard in Korea for Rotterdam port in the Netherlands.
Engineering needs to emphasise its creative side to encourage more young people to take it up as a career, says a leading member of the profession.
Space agency plans Mars mission with plastic bricks
Chemicals giant Ineos announces plans to invest up to £640m in shale gas exploration in the UK, in a bid to become the country's leading fracking firm.
Russia may be testing a satellite capable of chasing down and inspecting other orbiting spacecraft, experts say.
Thirty nations meeting in Berlin have pledged $9.3bn (£6bn) for a fund to help developing countries cut emissions and prepare for climate change.
Is it OK to leave objects on the Moon?