AP
SYDNEY - Australian scientists have discovered an octopus in Indonesia that collects coconut shells for shelter — unusually sophisticated behavior that the researchers believe is the first evidence of tool use in an invertebrate animal. Full Story »
AFP/Australian Antarctic Division/Ho
SYDNEY (AFP) - An island-sized iceberg is breaking up as it drifts closer to Australia, producing hundreds of smaller slabs spread over a massive area of ocean, experts said Monday. Full Story »
AP
COPENHAGEN - The success of the U.N. climate conference hung in the balance Tuesday as China and the U.S. deadlocked over whether Beijing will allow the world to check its books and verify promised cuts in greenhouse gas emissions. Full Story »
An orbiting X-ray observatory has found the largest known reservoir of rare heavy metals in the universe. Full Story »
AP
COPENHAGEN - New computer modeling suggests the Arctic Ocean may be nearly ice-free in the summertime as early as 2014, Al Gore said Monday at the U.N. climate conference. This new projection, following several years of dramatic retreat by polar sea ice, suggests that the ice cap may nearly vanish in the summer much sooner than the year 2030, as was forecast by a U.S. government agency eight months ago. Full Story »
LONDON - Those baby-faced people now have another reason to be smug: a new Danish study says looking young apparently means a longer life. Full Story »
Reuters
SAN FRANCISCO - Tiny particles of pollution known as "black carbon" - and not heat-trapping greenhouse gases - may be causing most of the rapid melting of glaciers in the Himalayas, a key water source for much of Asia. Full Story »
Genetic changes that apparently allow humans to live longer than any other primate may be rooted in a more carnivorous diet. Full Story »
Americans are known for gorging on food, but we're also gluttons of another sort: A new study finds that the average American consumes more than 34 gigabytes of video, music and words a day-and that's only on our free time. Full Story »
AP
DETROIT - A decade-long decline in teens' use of pot has stalled and some teen attitudes on how harmful marijuana can be may be softening, according to a federal survey on teen drug use released Monday. Full Story »
AFP
TOKYO (AFP) - Japan's Prime Minister Yukio Hatoyama Tuesday asked his visiting Australian counterpart Kevin Rudd to rein in activists disrupting Japan's annual whale hunt, describing their actions as "sabotage." Full Story »
An odd array of 30 newly released images from the Hubble Space Telescope reveal planetary systems in the making. Full Story »
AP
WASHINGTON - More Americans believe steps taken to reduce global warming pollution will help the U.S. economy than say such measures will hurt it. It's a sign the public is showing more faith in President Barack Obama's economic arguments for limiting heat-trapping gases than in Republican claims that the actions would kill jobs. Full Story »
AP
BEIJING - China accused developed countries Tuesday of backsliding on what it said were their obligations to fight climate change and warned that the U.N. climate talks in Copenhagen had entered a critical stage. Full Story »
One of the best annual meteor showers will peak in the pre-dawn hours Tuesday, and for some skywatchers the show could be quite impressive. Full Story »
Astronomers have accurately measured the distance between Earth and a particular black hole for the first time. And wow, is it close. Full Story »
MOSCOW - As other countries struggle to cut greenhouse gas emissions, two ex-Soviet industrial powerhouses have found themselves heirs to an unlikely windfall. Full Story »
AFP/Getty Images/File
WASHINGTON (AFP) - US President Barack Obama wants world leaders meeting in Copenhagen to seal a deal that imposes "meaningful steps" to shape the battle against global warming, a US official said Monday. Full Story »
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