The latest stories from the Science & Environment section of the BBC News web site.
Updated: 3 hours 5 min ago
Poster competition to raise awareness about wildlife conservation gains 300 entries from around the world with winners coming from the UK, China and Africa.
The UK steel industry is doomed unless it embraces cutting-edge technology, a Cambridge professor warns.
Scientists in the United States say they have solved one of nature's great navigation mysteries, how Monarch butterflies migrate all the way from Canada to Mexico.
Scientists solve the navigation mystery of one of nature's most famous journeys - the migration of monarch butterflies from Canada to Mexico.
Rising temperatures and longer summers have helped the iconic Alaskan moose conquer vast new stretches of the frozen tundra.
England's only resident golden eagle is feared to have died, Lake District wildlife chiefs say.
Schools in the UK are to receive seeds that British astronaut Tim Peake has sent back from the International Space Station.
Scientists have put together the biggest known library of bat sounds in an effort to identify and conserve rare species in Mexico.
Thousands of schools in the UK will be receiving seeds that have been in space with British astronaut Tim Peake.
Bed bugs might be developing thicker "skins" to help them survive exposure to common insecticides.
In a world first, a quadriplegic man can once again move his own fingers after a chip was implanted in his brain.
What's it going to be like to drive at 1,000mph?
A South African lion, who escaped a national park, will be rehoused with two females rather than put down - and encouraged to become an alpha male.
A tracking study shows that a small, nocturnal songbird crosses the Sahara in a single 40-60 hour flight during its spring and autumn migrations.
A natural flood management scheme saved the North Yorkshire town of Pickering from floods at Christmas, a report says.
Global sea-level rise since the 1970s has been predominantly driven by greenhouse gas emissions and not natural climate variability, a study suggests.
Professor Stephen Hawking backs a project to send spaceships to another solar system within a generation
Inky the octopus squeezed his way out of a tank at New Zealand's National Aquarium.
The Zika virus is "scarier" than first thought and its impact on the US could be greater than predicted, public health officials say.
Astronomers have defined a class of planet that have had their atmospheres stripped away by their host stars.