The latest stories from the Science & Environment section of the BBC News web site.
The EU's newest Earth observation satellite, Sentinel-1b, has returned its first radar imagery - of Svalbard, the Norwegian archipelago.
The largest field-study so far in to the group of pesticides called "neonicotinoids" has concluded that each acts differently on the brains of the bees.
Scientists describe the processes that drive "ice sails" - a rare and somewhat esoteric feature of debris covered glaciers.
A genetic therapy improves the vision of some patients who would otherwise have gone blind.
Russia launches the first rocket from its new Vostochny cosmodrome, following a 24-hour delay that drew the ire of President Vladimir Putin.
Scientists in the US have mapped out how the brain organises language.
Billionaire Elon Musk plans to send his Dragon spacecraft to Mars as early as 2018.
The covers come off the huge mirror that the James Webb Space Telescope - the planned successor to Hubble - will use to detect the light from the first stars to shine in the Universe.
"Clean air zones" targeting drivers of high-polluting vehicles should be extended to more cities in England, MPs say.
A conservationist plans to take flight this autumn alongside thousands of swans as they make a 4,500-mile journey from the Russian arctic to the UK.
Supporting evidence that the Beagle-2 probe is sitting intact on the surface of Mars has come from a new imaging technique developed by UCL scientists.
The European Space Agency launches a second radar satellite into the EU's new Sentinel constellation, to acquire a complete map of the Earth every six days.
In the first study of its kind, scientists have been able to measure the climatic effect of a wind farm on the local environment.
The emissions of carbon dioxide from industrial society has spurred a huge growth in trees and other plants, says a report.
Scientists think they can now tie the disruption that hit Maya civilisation in the 6th Century to an eruption of the El Chichon volcano.
Scientists at Glasgow University establish a world first by cracking the communication code of our brains.
UK astronaut Tim Peake has run the distance of the London Marathon on a treadmill in the International Space Station (ISS).
The zero-fuel aeroplane Solar Impulse completes a three-day flight from Hawaii across the Pacific Ocean, to land in California.
Amid hope and hype, delegates have finished signing the Paris climate agreement at UN headquarters in New York.
A pioneering new treatment is giving is new hope for those with macular degeneration, as Pallab Ghosh reports.
More than 30 lions which have been rescued from circuses in Peru and Colombia are to be flown to a sanctuary in South Africa.
A gorilla has given birth at Prague Zoo, without keepers noticing she was pregnant.
China is due to announce more details about a mission to Mars.
An experimental inflatable module has been attached to the International Space Station remotely by a Nasa ground control team.
The zero-fuel aircraft Solar Impulse is ready to resume its round-the-world challenge following repairs in Hawaii.