Up and down California's coast, brown pelicans are dying in alarming numbers, and sick and disoriented pelicans have been found wandering on roads and in other unusual places—and scientists are stumped.
Monkeys from a now-defunct research facility are roaming wild in southwestern Puerto Rico, threatening farmers' livelihoods, and causing public health concerns
An increasing number of Americans are heading overseas for expensive, unregulated stem cell treatments. U.S. doctors today issued new warnings against such procedures, but for the desperate, hope is worth the money.
Seized during a Malaysian raid, the owls shocked wildlife-trade monitors. The sizes of this and another November seizure point to organized crime, experts say.
New "robo legs" make walking and climbing stairs easier. "I felt like I had springs in my legs," said a reporter who had tested the high-tech apparatus.
Do you want corn with that? A new chemical analysis of corn-laden burgers, fries, and chicken sandwiches may suggest bad news for our health and the environment.
Chickens, pigs, and cattle scored more wiggle room in a new law passed Tuesday in California. But farmers are crying foul, saying the legislation would cripple their businesses.
Açaí has become popular in the U.S. and Europe, but perhaps the fruit's most concrete effects are felt in its Brazilian home, where açaí is changing incomes and lifestyles.
Egyptian mummies with malaria and two skeletons from Israel that had tuberculosis are helping scientists understand how and why disease-causing organisms evolve.
As South Africa reels from a major HIV/AIDS epidemic, health workers are turning to cell phone technology to get the word out about testing for the virus.
The first of this year's Nobel Prizes, awarded for medicine, has been jointly won by scientists who identified the viruses that cause AIDS and cervical cancer.
