The latest stories from the Science & Environment section of the BBC News web site.
Updated: 10 sec ago
An unmanned rocket has taken off from Cape Canaveral Air Force Station as part of a mission to boost Nasa's communications network.
The British astronaut who is due to go into space next year has said that learning how to live and work in space will be essential to the survival of our species.
BBC science correspondent Pallab Ghosh speaks to British astronaut Tim Peake as he trains underwater to prepare for working in zero gravity.
Field trials of a genetically modified crop containing Omega-3 fatty acids normally found in oily fish could begin in the UK this year, after a field trial application is submitted.
A new study sheds light on how fish evolved into the earliest land animals millions of years ago.
Britain should turn swathes of its upland pastures into woodland to help prevent flooding, former environment minister Lord Rooker says.
The world's oldest-known living cancer dates back 11,000 years and arose in a single dog, say scientists.
The head of the Environment Agency has been criticised for failing to provide a breakdown of his floods budget when questioned by MPs on Wednesday.
Pathogenic fungi, normally associated with killing plant life, could play a key role in driving biodiversity in tropical rainforests, a study suggests.
The fine print of EU's climate strategy
Recent storms have forced a stretch of the Welsh coastline back to reveal artefacts dating back up to 6,000 years.
The closest supernova seen for several decades has been spotted by students at University College London.
Participants in the RSPB's annual bird survey are being asked to count other animal visitors to their garden too.
Having the central heating on may be contributing to our ballooning waistlines, Dutch researchers suggest.
The Araguaian Boto is the first new river dolphin discovered since the end of World War One and only the fifth known species.
Magnetic north has made an unusual and historic shift but how does that affect walkers in Scotland's hills?
Stunning images from top nature photographers
Observations of the Solar System's biggest asteroid suggest it is spewing plumes of water vapour into space.
BBC Weather's Jay Wynne explains America's big freeze
Farming show plays host to new tech, including 'Robocrop'