Australian researchers say that homework tends to hurt schoolchildren's test performance. Experts say the same holds true in the U.S.

Though little research has been done on the subject, experts on taste perception have three main theories on the temperature-dependent deliciousness of coffee.

Getting too little sleep – or even too much – appears to spell trouble for the heart. New data reveal that adults who get less than six hours of sleep a night are at significantly greater risk of stroke, heart attack and congestive heart failure. Even those who reportedly sleep ...

Pornography's effects are tough to pin down.

Pornography's effects are tough to pin down.

Warm and early spring might be making you feel bad.

Scientists have been investigating the feeding habits of wolves in the first eight years since their appearance in Germany. The results are reassuring: The proportion of livestock on the menu lies at less than one percent.

Warm weather killing off both caterpillars and the plants they feed on.

Long-term exposure to microgravity may cause abnormalities in spaceflyers' eyes and brains.

A popular club drug can harm infant motor development.

Does your boss make good decisions?

Researchers have discovered how megakaryocytes -- giant blood cells that produce wound-healing platelets -- manage to grow 10 to 15 times larger than other blood cells. The findings also hint at how a malfunction in this process may cause a form of leukemia.