The latest stories from the Science & Environment section of the BBC News web site.
Updated: 16 min 3 sec ago
Drinking a few cups of coffee a day may help people avoid clogged arteries - a known risk factor for heart disease - South Korean researchers believe.
How Earth survived through violent times
As Nasa's Dawn satellite prepares to enter into orbit around the dwarf planet Ceres, scientists say they are excited to learn more about the two bright spots on its surface.
DNA analysis has revealed evidence for a massive migration into the heartland of Europe 4,500 years ago.
Plans to generate electricity from the world's first series of tidal lagoons are unveiled in the UK, with sites proposed in Wales, Somerset and Cumbria.
Good progress is being made on construction of the world's fastest car - the Bloodhound supersonic vehicle, which aims to run at over 1,000mph.
US rocket company SpaceX performs a dual-launch of all-electric satellites - what is expected to become a big trend in future spacecraft design and deployment.
Scientists say climate change will lead to a shift in the timing of when trees come into leaf in British woodlands.
Staff are hoping two Sumatran orangutans will find new mothers at Monkey World Ape Rescue Centre in Dorset.
The BBC's Roger Harrabin has been to the site of one of six tidal lagoons planned in the UK to see how it would work.
Google flew one of its Street View cameras down a zip wire in the Amazon rainforest to capture new images of the forest canopies.
The Svalbard "Doomsday" seed vault, which protects the world's food crops, accepts its first consignment of seeds from forest tree species.
The hybrid animal causing havoc in the Grand Canyon
Are people getting more intelligent?
Two American astronauts have ventured out on a spacewalk for the third time in a week, to install cables on the International Space Station.
UK industry completes construction of the modules that make up the Lisa Pathfinder satellite - a remarkable probe that will test the key technologies needed to detect gravitational waves in space.
Scientists at Plymouth University play improvised pieces of music with the help of slime mould.
Fragments of wheat DNA suggest wheat was present in Britain 8,000 years ago, long before it was grown by British farmers.
The United Kingdom should create an ambassador for the Arctic or risk being pushed out of key decisions for the region, a House of Lords report says.
Has nuclear power really had its day?