Scientists in Israel have taken skin cells from heart failure patients and turned them into working heart-muscle cells.

South Korean prison officials have ordered chemical castration for a 45-year-old pedophile to suppress his libido when he is released from prison.

After several delays and one last-second abort since November, Tuesday's launch went off without a hitch.

A government panel suggests ending for most men a routine prostate cancern screening called PSA. The recommendation is proving controversial.

A rare type of solar eclipse passed over the United States Sunday, generating massive response from excited viewers.

Georgia student Aimee Copeland is set to have hands and foot amputated as a flesh-eating bacteria spreads.

Other headlines: Chen Guangcheng headed to the U.S.; G9 leaders meet at Camp David; SpaceX launch aborted at last minute.

The first private space capsule is set to launch into orbit Saturday. SpaceX’s Dragon capsule is on a mission to deliver supplies to the ISS.

An experiment with new computer-brain interface systems allows a paralyzed woman to control a robot with her thoughts alone.

After five years of brain cancer treatments, Ryan Kennedy told his mother "I'm done with this."

Scientists discover drawings of female genitalia and animals that could be the oldest cave drawings ever discovered.

A Stanford University study finds sleepwalking affects one in three Americans, the highest finding ever recorded.

New information about composite meat products spells trouble for both consumers and the meat industry.

New research finds a big dinner can add more to your waistline than a big breakfast.

The Long Range Acoustic Device has been used for crowd control in Iraq and at the G20 summit.

More headlines: Militants claim suicide-bombing responsibility; Romney speaks at Liberty University; thousands of dead birds in South America.

Social jet lag refers to the discrepancy between your body's clock and your social clock.

An archaeology expedition led by Boston University discovers more Mayan calendars showing time after 2012.

Utah-based Alliant Techsystems says it will be ready to shuttle astronauts to and from space within the next five years.

Researchers at Penn State University have developed a process that spins starch into fine strands that could take the sting out of removing bandages.

Scripps University has found the pollution in a particular region of the Pacific has increased dramatically in the past 40 years.

A Duke University study shows the rate of obesity in U.S. up sharply by 2030. Cutting the fat could save billions in health care costs.

Environmental scientists say dinosaurs could have gassed themselves to extinction.

Wicked Lasers achieves Dr. Evil's challenge of attaching lasers to sharks.

The biggest and brightest moon of the year will appear this weekend.

An infectious disease researcher contracted a deadly strain of meningococcus while trying to develop a vaccine.

The Medicare Fraud Strike Force charged 107 healthcare professionals in the U.S. with falsely billing Medicare.

Starting Tuesday, Facebook users in the U.S. and the U.K. can note in their timelines that they're organ donors.

One in every eleven hundred babies in the U.S. is born physically dependent to prescription drugs and experiences complete withdrawal symptoms.

A new study shows one-third of U.S. children are overweight and at risk of Type 2 diabetes.