Which prostate cancer treatment is right for you? A new study suggests surgery may increase your chances of survival

The horrific rainy season in Africa has led to the drowning of 10,000 wildebeest, one percent of the animals on the continent.

The U.S. has spent billions on new high-risk bio-labs since 2001, but experts worry that ongoing bioterror research has made Americans even less safe than before.

For critically ill patients, blood transfusions can endanger their lives instead of saving them. A new study suggests we can bank blood better.

Overgrazing has turned big swaths of China's lush grasslands into desert, but recent efforts to rejuvenate the land may help sustain the country as a whole

Once a disease of the Western world, breast cancer has become a global concern. How women, doctors and communities are fighting back and bringing hope to those in need

Once a disease of the Western world, breast cancer has become a global concern. How women, doctors and communities are fighting back and bringing hope to those in need

A new study suggests that legalizing assisted suicide does not make the practice more common in vulnerable groups

Once a disease of the Western world, breast cancer has become a global concern. How women, doctors and communities are fighting back and bringing hope to those in need

Danish statistician Bjorn Lomborg sat down with TIME to discuss his new book, Cool It: the Skeptical Environmentalist's guide to Global Warming

Celebrities and businesses -- Bill Clinton, Brad Pitt and Wal-Mart -- are pledging millions to fill the void of the government's inaction on climate change. Is it enough?

Our crushing appetite for carnivorous fish like salmon and tuna depletes the oceans of smaller, feeder fish, and endangers the planet's marine ecology

How good are the newest artificial hips? I'll say this much: you can survive a dislocation with no medication -- if you've spent a lifetime quaffing Greek wine.

A study finds that many of them are high in phthalates EM] chemicals that have been linked to adverse health effects in high doses

While much was said at the United Nations summit on global warming, the world is still a ways from taking concrete action

Some of Greenland's residents want independence and full rights to the island's natural resources. Will they get it?

As police and lawmakers continue the fight against substance abuse, researchers are working on new ways to gauge America's addictions

A new report says gynecomastia, or male breasts, occurs in nearly half of all men. But most of the time, it's nothing to worry about

Sometimes less is more. But when it comes to exercise for diabetics, researchers find, the more you do, the better it is

German researchers are testing a highly controversial theory, using a low-carb, high-fat diet to help the sickest of cancer patients

A series of earthquakes in Indonesia bring back haunting memories of the 2004 tsunami, and prompt concerns over whether we're ready to handle another disaster

Growing evidence suggests that pollutants in car exhaust may trigger heart attacks

Breast milk is best for babies' health and well-being, but a new study finds it doesn't help prevent asthma or allergies

Kevin Everett's life-threatening spinal injury raises anew concerns about the dangers of the gridiron