Hurricane Sandy reignites climate change debate

Number of international students attending American colleges and universities continues rising

Experts work to develop better tools to predict severe weather

US Congress demands inquiry into Petraeus resignation

Obama, House Speaker take positions on budget before negotiations

Words and their stories: state nicknames, part 1

Are smartphone apps encouraging young smokers?

Is eating like our ancestors good for us?

Storm aftermath brings ruin for one NYC family

Ukraine feminists campaign against sex tourism(视频)

Condition of oceans affects human health

New 007 movie reveals Bond's inner demo

World Prematurity Day aims to lower rates of premature births

Improving 'feed efficiency' in cattle

Edwin Hubble changed our ideas about the universe

Can you 'think and grow rich?'

After Sandy, Wall Street closed for 2nd day

Medical students help the homeless

Blake Shelton wins big at CMA Awards

Eleanor Creesy helped guide one of the fastest sailing ships ever built

Russian Prime Minister calls for ban on smoking in public

New York officials work to curtail price gouging

Relations between Britain and its American colonies

Amateur dinosaur tracker uncovers some rare fossils

American Red Cross feeds hungry after hurricane

New medical tape reduces pain for newborns, older adults

President Obama wins second term

Gas shortages test patience of motorists following Sandy

Words and their stories: top brass

Global warming might threaten water supply