After scouring the mid-Atlantic depths for two months, scientists returned to Norway with 80,000 specimensincluding squid and fish that may be new species.
Arborists are collecting tissue from the largest trees on the trail blazed by Lewis and Clark 200 years ago. Clones of these "last witnesses" will be planted in Missouri.
As long as the Mississippi, North America's Yukon River has been polluted by mining and military bases, environmentalists say. Now a coalition of Native Americans has mobilized to restore the waterway.
With a warming climate apparently melting glaciers across the globe, researchers are boring deep inside the glaciers to discover how they move as they melt.
The New Jersey Fish and Game Council recently voted in favor of a black bear hunt this year. But, citing confusion over bear population numbers, another state agency is refusing to issue the required permits.
Stationed atop the world's highest glaciers, climatologist and self-taught mountaineer Lonnie Thompson is unlocking the truth about global warmingone ice core at a time.
Growing numbers of tourists are flocking to Colca Canyon in southern Peru to spot the Andean condor, one of the world's largest flying birds. But at what cost to the species?
Despite their 1990 listing under the Endangered Species Act, the Pacific Northwest's once abundant northern spotted owla necessary check in the balance of old-growth forestsare becoming ever scarcer.
Lemurs may be the only animals that can spread the seeds of certain trees on the island of Madagascar. As these primates disappear, so too may the trees that depend on them, scientists say.
Around half of all carbon dioxide produced by humans since the industrial revolution has dissolved into the world's oceanswith adverse effects for marine lifeaccording to two new studies.
In one of Africa's oldest national parks, illegal settlers have destroyed more than 4,000 acres (1,600 hectares) of prime habitat for the critically-endangered mountain gorilla.
A New Jersey county is in the last phases of an intensive U.S. Environmental Protection Agency project to remove the radium-contaminated soil upon which homes in several communities were built.