Science Video

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A mountain pine beetle infestation is sweeping across British Colombian forests hitting the logging trade.

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Experts are concerned that fishing and pollution are causing a decline in the large dolphin population in Bangladesh.

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A German farmer who received the world's first complete double arm transplant is recovering well and able to perform some basic tasks, though doctors said Wednesday it still could take up to two years before he relearns how to use his hands. (Oct. 8)

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See how the "HumanCar" hits 60 mph on pure elbow grease and zero fossil fuel. CNN's Rob Marciano reports.

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Penguins rehabilitated with the help of the International Fund for Animal Welfare are released back into the sea.

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The UK should cut its greenhouse gas emissions by at least 80% by 2050, according to a panel advising on climate change.

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Fishermen in Morecombe bay are catching fewer shrimps this year because the rain has diluted the salinity of the sea.

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At least 25% of the world's mammal species are at risk of extinction, according to an international survey.

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In the Northern Rockies, beetle infestation and invasive fungus are destroying ancient whitebark pine forests, with serious impacts on wildlife.

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South Korean scientists have released a video of dolphins trying to save the life of a member of their pod.

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G4TV's Adam Sessler joins CNN's Nicole Lapin to preview new games with familiar names hitting the shelves this fall.

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Half a century after NASA was created at the height of the Cold War when the United States sought to prove its superiority by winning the race to the Moon, the space agency faces new challenges ahead.

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NASA's Phoenix Mars Lander has detected snow falling from Martian clouds.

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It is one of the last places you would expect to see snow but NASA scientists say they have detected the white stuff on Mars.

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China's Shenzhou VII space capsule has returned to Earth after a successful mission orbiting the planet.

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A Chinese astronaut has become the first in his country's history to take a space walk.

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Whilst the storm over genetically modified crops is showing no signs of abating in Europe, the issue has not yet raised it's ugly head in Europe. But this looks set to change as critics lash out after the first harvest of genetically modified corn is produced in Cairo.

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People are being encouraged to recycle old batteries with a new European law coming into force.

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China has launched it's riskiest ever space flight, with its three men crew to attempt the country's first ever space walk.

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The European parliament have voted for cuts of 17 per cent in cars carbon emissions within four years.

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China has successfully launched its third manned space mission, which is to feature the country's first spacewalk.

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Experts are to investigate whether radiation from experiments conducted in 1908 caused the deaths of four laboratory staff.

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What you smell before drifting off may affect how you dream.

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Careful cross-breeding could bring an extinct species of Galapagos tortoise back into existence, scientists have said.

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A biblical scholar talks to Father Beck about the controversial debate.

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Archaeologists working at Stonehenge say they have pinpointed the date of its construction.

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A Frenchman is preparing for his attempted crossing of the English Channel in a pedal-powered airship.

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Scientists have discovered hundreds of new animal species living on coral reefs in Australia.

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The western United States is rich in renewable solar and wind energy, but delivering it to consumers will require huge investments in new transmission lines that could cause serious environmental impacts.

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Scientists are working on a mission which will bring material from an asteroid to earth for the first time.

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Axon Automative showcase their carbon fibre car which they say gets phenomenal fuel efficiency.

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The Cerne Abbas chalk giant on a Dorset hillside is one of the most striking landmarks in the UK.

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Six Greenpeace activists have been cleared of causing criminal damage during a coal-fired power protest.

There's wide support for giving federal protection to Snake River headwaters in Wyoming, but farmers downriver in Idaho worry this could mean less water for crops.

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Scientists are about to begin the world's biggest physics experiment by switching on a ten-billion dollar machine in an attempt to recreate the "Big Bang".

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Some scientists suspect that pesticides are the cause of plummeting bee populations, which could have serious consequences for pollination and production of food crops.

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Wildlife officers in Wyoming use sophisticated forensic tools to convict poachers.

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Building new bicycle pathways in Grand Teton National Park could have negative impacts on ground-nesting birds.

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NASA has made a crucial discovery of water, which supports evidence of life on Mars.