Canada's vast new nature preserve, the Great Bear Rainforest, will be twice the size of the U.S.'s Yellowstone National Park. Survey its pristine scenery and learn how this historic conservation project was created.
After a decade of debate among logging companies, environmentalists, and local communities, a protective plan establishes a massive new wilderness preserve in Canada.
Reserve areas established for Brazil's indigenous peoples are as effective as uninhabited nature parks in preventing destruction to Amazon rain forests, a new study has found.
From red tide to cat feces, experts are painting a new picture of marine contaminants that shows some surprising health connections between land and sea.
The facial tumors that could destroy Australia's Tasmanian devils is spread by bites, scientists say—the first known instance of cancer spreading this way.
An ancient medical mystery—the cause of a plague that wracked Athens around 430 B.C. and contributed to its fall—has been solved by DNA analysis, researchers say.
In the wake of last year's unprecedented hurricane damage, questions are being raised about whether rebuilding should be allowed on the U.S.'s hurricane-vulnerable coastlines.
Humans' thirst for bottled water now tops 40 billion gallons a year. But campaigners say the portable potable really isn't any safer than tap water in most countries.
Only 400 of today's public U.S. bison are genetically pure—the rest have some amount of cow DNA. Watch as a helicopter rounds up purebreds to start a new healthy herd on the prairie.
With no natural enemies, alien species can overwhelm their adopted homes. But some scientists import invaders' foes from their native lands and pit alien against alien.
The island's glaciers are slipping into the Atlantic twice as fast as they were five years ago, a new report says. They could, in turn, accelerate the rising of the seas.
