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Updated: 1 min 31 sec ago
Manta ray's secret life revealed
The once secret life of a huge, recently discovered species of manta ray is unveiled.
UK to embrace nuclear - Miliband
Ed Miliband says the UK cannot "say no" to nuclear power as he is set to unveil plans to fast-track a new generation of reactors.
'Road trains' get ready to roll
A sensor system that joins vehicles in 'platoons' so they travel close together is being researched with European cash.
Autumn's colours
Vivid images of the season courtesy of our readers
Autumn's colours
Vivid images of the season courtesy of our readers
Maldives anger at climate inertia
The president of the Maldives strongly criticises the world's rich countries for doing too little to stem climate change.
Maldives anger at climate inertia
The president of the Maldives strongly criticises the world's rich countries for doing too little to stem climate change.
W Australia sea level rising fast
Rising sea levels in Australia are worst in the west, where they are double the world average, new figures reveal.
W Australia sea level rising fast
Rising sea levels in Australia are worst in the west, where they are double the world average, new figures reveal.
'Bumper year' for UK water voles
Water voles - one of the UK's fastest declining mammals - enjoyed a "bumper year" in 2009, a study says.
Great news, Ratty! Study shows UK has a whole load of voles
Water voles - one of the UK's fastest declining mammals - enjoyed a "bumper year" in 2009, a study says.
Nuclear fast-track plans unveiled
Plans for fast-tracking a new generation of nuclear power stations are to be announced by the government.
Nuclear fast-track plan awaited
Plans for fast-tracking a new generation of nuclear power stations are to be announced by the government.
Dounreay 50th anniversary marked
The moment a Scottish nuclear power complex began generating energy from uranium 50 years ago is recalled.
Dounreay anniversary marked
The moment a Scottish nuclear power complex began generating energy from uranium 50 years ago is recalled.
Niger's giraffes stage a comeback
The giraffe population of Niger, on the edge of extinction 10 years ago, is on the rise and moving to new habitats.
Nasa and Esa sign Mars agreement
The US and European space agencies sign the "letter of intent" tying together their Mars programmes.
Nasa and Esa sign Mars deal
The US and European space agencies sign the "letter of intent" tying together their Mars exploration programmes.
Early life stress 'changes' genes
A study in mice reveals how stress in early life can have a long-term impact on genes and behaviour.
Gas rocks
New technology makes it easier to find natural gas