Scientists excited about US mammoth discovery

(AP) — An unusual discovery of mammoth bones on a rural Oskaloosa farm has experts studying prehistoric life excited about scientific discoveries that may lie with the massive beast.

Killer whale at risk due to inadequate prey population

Not having enough Chinook salmon to eat stresses out southern resident killer whales in the Pacific Northwest more than having boatloads of whale watchers nearby, according to hormone levels of whales summering in the Salish ...

Renewable energy costs falling: agency

Power from renewable energy sources is getting cheaper every year, according to a study released Wednesday, challenging long-standing myths that clean energy technology is too expensive to adopt.

US calls on EU to abandon 'lousy' carbon tax on airlines

US Transportation Secretary Ray LaHood on Wednesday called on the European Union to abandon its controversial carbon tax on airlines, saying the policy aimed at combatting global warming was "lousy."

US state headed for another debate over evolution

(AP) — The central state of Kansas, which has attracted international attention and some ridicule for its debate over how evolution is taught in its public schools, is headed toward another showdown on the subject.

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