Scientists finally get stem cells from cloned human embryos, possible step toward treatments
GPS satellite launched into space from Cape Canaveral; will help all with navigation
Remote Alaska volcano spews ash plumes 15,000 feet in the air
Angelina Jolie's double mastectomy: Q&A
Agency to consider listing Alaska seals as threatened; decision could affect proposed mine
Study: Natural gas fracking hasn't polluted Arkansas water, but geology there plays a role
A Colorado company developing a spaceship to take astronauts to the International Space Station is having its spacecraft undergo a series of landing-focused tests at NASA facilities in Virginia and California.
Federal agency investigates shootings of endangered Hawaiian hawks in Kailua-Kona
Researchers find swine flu in elephant seals off Calif coast; animals show no sign of illness.
Once again, science proves what many women already know: men with guitars are more attractive to the opposite sex.
Scientists say federal budget cuts hamper monitoring of volcanic activity
Ghana's nascent space program launches soda can-sized model of satellite
Obama administration allows wind farms to kill eagles, birds, despite federal laws
3-man crew returns safely from International Space Station, lands in Kazakhstan
Pregnancy terminated for Turkish womb transplant patient
Guitar-playing astronaut bows out of space station with music video of Bowie's 'Space Oddity'
Sunday's solar flare strongest so far of the year, but no radiation streamed toward Earth
Idaho spud giant bets on biotech potatoes 12 years after similar Monsanto push failed
Belize government condemns pyramid destruction by builder, promises 'vigorous' investigation
The emerald ash borer, native to China, has destroyed 100 million ash trees since its arrival in the U.S. more than a decade ago. The destructive pest has reached the Washington area, where it will soon emerge again.