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A new analysis affirms earlier data concluding that Avandia may raise the risk of heart attack, stroke and other complications in diabetes patients.

People with high blood levels of the amino acid are at increased risk for heart disease and strokes. A new study shows that reducing the level of homocysteine does not cut those risks.

Toddlers who get a combines measles-mumps-rubella and chickenpox immunization are at twice the usual risk for fevers that lead to convulsions, a new study reports.

Riding for exercise may help women who put on extra pounds during their 30s and 40s, a study says.

Global pharmaceutical companies are ranked on how readily they make their products available to the world’s poor.

Federal health officials, concerned about the growing problem of superbugs, took a tentative step toward banning a common agricultural use of penicillin and tetracycline.

Dr. Zack describes the science needed to inform conservation decisions in Arctic Alaska.

The contingency plan is a sign that with an engineering challenge like snuffing a gusher 5,000 feet down, nothing is certain.

Sun once planned to tackle Intel head-on in the server chip market by making its own x86 chip.

Researchers have been analyzing daydreaming, and they’ve found those stray thoughts to be remarkably common — and often quite useful.

New York City’s residents have lower mortality rates than the nation’s, especially among the older population, though we’re not sure why, an economist writes.

A study comparing bird bills provides the most substantial evidence yet supporting the idea that animals in cold climates evolved to have shorter appendages.

As the start of the Tour de France nears, investigators are seeking to build a case against Lance Armstrong and some associates allegedly involved in systematic doping.

The Düsseldorf International Airport and seven other airports are using bees as “biodetectives,” their honey regularly tested for toxins.