New research, reported this week in the online early edition of the Proceedings of the National Academy of Sciences, finds that coal burning, primarily in North America and Europe, contaminated the Arctic and potentially affected human health and ecosyste

Scientists have devised an efficient and practical solar power device they believe will make the renewable energy source more affordable. They used glass sheets coated in organic dyes to concentrate light hitting the panes.

A Nasa spacecraft has sent back historic first pictures of an unexplored region of Mars

An unwitting passenger arriving at Japan's Narita airport has received 142g of cannabis after a customs test went awry, officials say.

Sea buckthorn (Hippophae rhamnoides) berries are well known for their cholesterol busting properties, but scientists in India say that its leaves are also rich in anti-oxidants and may help ward off liver disease, according to new research due to be publi

After a nine-month journey through space, the US probe Phoenix will land on the arctic surface of Mars on Sunday to dig for ice in a new quest for signs of life on the Red Planet.

Genome may yield clues about evolution and disease prevention.new research proves that the oddness of the platypus' looks isn't just skin-deep. Platypus DNA is an equally cobbled-together array of avian, reptilian and mammalian lineages that may hold clue

By LUKE SALKELD . This image of a leaf has been hailed as 'priceless' by experts who believe it could be the world's first photograph

A male orangutan, clinging precariously to overhanging branches, flails the water with a pole, trying desperately to spear a passing fish.The extraordinary image, a world exclusive, was taken in Borneo on the island of Kaja

By TODD PITMAN South Africa lifted a 13-year ban on killing elephants Thursday, a move conservationists warn could encourage poachers to slaughter the animals for ivory and threaten dwindling populations elsewhere on the continent.