The latest stories from the Science & Environment section of the BBC News web site.
Updated: 9 min 56 sec ago
A green sea turtle migrated a staggering 3,979 km (2,472 miles) in a year, according to Swansea University researchers.
Geologists discover that the stress applied by gravity is what controls the shape of dramatic sandstone landmarks.
The beaches where Lego keeps washing up
UK Climate Secretary travels the world for emissions deal
A Powys councillor tells how she photographed two swarms of bees in Newtown on the same day.
The Loris, one of world's smallest primates is under threat through loss of habitat. Naturalist Chaminda Jayasekara runs a conservation site to protect the animals.
The Glasgow Science Centre tower has reopened to the public after being closed for almost four years.
At least six passengers on the Malaysia Airlines plane were heading to a major international Aids conference in Australia.
A sea eagle chick, featured on BBC Springwatch, which was seen being pushed out of the nest by an intruder eagle successfully flies the nest.
The demand for ship identification and tracking data acquired by satellites is growing rapidly.
The European Commission has responded to criticism of its billion-euro Human Brain Project, declaring confidence that objections will be satisfied.
Sir David Attenborough has urged the public to look for butterflies as part of the Big Butterfly Count
Scientists have developed a highly advanced bird song decoder, which can automatically identify the call of a vast variety of birds.
Conservationists call on the public to help survey the state of Britain's countryside by counting butterflies.
A rare British butterfly is given a new home
The young medic who found the deadly Ebola bug
The man making art from the bones of ocean giants
A group of MIT scientists announces the development of supplementary fingers controlled by sensors attached to the human hand.
British astronaut Tim Peake has picked "Principia" to be the name of his mission into space next year.
Europe's mission to land on a comet was always going to be difficult, but the pictures released this week of the giant ice ball illustrate just how daunting the task will be.