California officials have decided to add the gray wolf to the state's endangered species list.
Scientists say the number of baby lobsters settling off the rocky coast of Maine continues to steadily decline—possibly foreshadowing an end to the recent record catches that have boosted New England's lobster fishery.
Federal scientists have found high amounts of mercury in fish caught in remote areas of national parks in the West and Alaska.
Yellowstone National Park administrators say shipments of wild bison to slaughter are done for the winter after almost 600 animals were removed in an effort to shrink their numbers.
Teams of biologists are investigating the deaths of 25 pilot whales in the shallow waters off southwest Florida.
Though testing is incomplete, state officials say they're convinced a Nevada marina where an estimated 100,000 trout, bass and catfish died poses no danger to humans or animals.
How do cities affect our health? A newly published research report from MIT's Center for Advanced Urbanism (CAU) highlights the complexity of the issue. Produced in collaboration with the American Institute of Architects, ...
Federal officials say there is no island of debris from the 2011 Japanese tsunami floating toward the United States.
Five large cannons from a sunken ship captained by the legendary pirate Blackbeard have been recovered by US archeologists, authorities confirmed Wednesday.
A Texas hunting club said Friday it aims to raise up to a million dollars for endangered black rhinoceroses by auctioning off a permit to kill one in Namibia.