US in spotlight as UN climate talks resume

UN talks tasked with forging a global climate treaty by year's end were set to resume here on Sunday, with all eyes on the debut appearance of US negotiators from the administration of US President Barack Obama.

Alaska volcano quiets down after making ashy mess

(AP) -- Alaska's Mount Redoubt has simmered down after spreading a coating of gritty volcanic ash over scores of communities that include the state's largest city of Anchorage.

New molecular force probe stretches molecules, atom by atom

Chemists at the University of Illinois have created a simple and inexpensive molecular technique that replaces an expensive atomic force microscope for studying what happens to small molecules when they are stretched or compressed.

Europe, Russia in Mars mission rehearsal

Six volunteers from Europe and Russia will on Tuesday allow themselves to be locked up in a capsule in Moscow for over three months to simulate the conditions for an eventual manned mission to Mars.

Sharks pose Sydney food-chain puzzle

Three shark attacks in Sydney in three weeks drove newspapers and talk show hosts into a feeding frenzy and sent a collective shudder through the other species at the top of the food chain -- humans.

Researchers: Cyber spies break into govt computers

(AP) -- A cyber spy network based mainly in China hacked into classified documents from government and private organizations in 103 countries, including the computers of the Dalai Lama and Tibetan exiles, Canadian researchers ...

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