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Defense Secretary Gates is moving toward ending the "don't ask, don't tell" policy. A Pentagon study on how to implement a plan to allow gays to serve openly in the military ...

Humans have long been advised to "know thyself," but new research suggests we may not know ourselves as well as we think we do. While individuals may be more accurate at assessing their own neurotic traits, such as anxiety, it seems friends, and even strangers, are often better barometers of traits such as intelligence, creativity and extroversion.

Google could be earning some $497 million a year from the registered owners of website addresses that mimic typographical errors in existing sites, according to a new study. Harvard University researchers Tyler Moore and Benjamin Edelman estimate that Google could be making millions from the practice, known as “typosquatting.”

The rate of chronic disease among kids 8-14 has doubled in the past 20 years. Over half suffer at some point from a long-term health problem.

Damage from Haiti's catastrophic Jan. 12 earthquake may be twice the value of the country's annual economy, Latin America's main development bank said Tuesday.

People who drink two or more sweetened soft drinks a week have a much higher risk of pancreatic cancer, an unusual but deadly cancer, researchers reported on Monday.

Babies who died from sudden infant death syndrome, or SIDS, show lower amounts of the brain chemical serotonin, says a study published Wednesday in the Journal of the American Medical Association.

An abstinence-only education program is more effective than other initiatives at keeping sixth- and seventh-graders from having sex within a two-year period, according to a study described by some as a landmark.

Harsh cold weather shows how climate change disrupts long-standing patterns, report says.

Appendectomies are the most common emergency general surgical procedure in the USA, but a new study suggests many are unneeded.