Obama, House Speaker take positions on budget before negotiations
Relations between Britain and its American colonies
Experts work to develop better tools to predict severe weather
Did hurricane Sandy send a climate warning?
US 'patriotic millionaires': 'tax us more'
Power still out for many in New York city
New medical tape reduces pain for newborns, older adults
Can you 'think and grow rich?'
Are smartphone apps encouraging young smokers?
President Obama wins second term
Remote US museum survives in Hells Canyon
Low-lying areas of New York City suffer flooding
Condition of oceans affects human health
Serving farm-fresh meals -- at the farm
Medical students help the homeless
New 007 movie reveals Bond's inner demo
Gas shortages test patience of motorists following Sandy
DC dinosaur hunter; New family movies
American Red Cross feeds hungry after hurricane
Global warming might threaten water supply
Improving 'feed efficiency' in cattle
Russian Prime Minister calls for ban on smoking in public
Spain's economic crisis sparks Catalonia independence drive(视频)
New York officials work to curtail price gouging
Scientists dispute study of genetically modified corn
Hurricane Sandy reignites climate change debate
After Sandy, Wall Street closed for 2nd day
Puberty lessons for African girls may raise attendance
Edwin Hubble changed our ideas about the universe
Celebrities support US presidential candidates