A new report shows that Antarctica has been losing ice rapidly—the equivalent of about 40 trillion gallons (151 trillion liters) of water a year. Learn what this big melt may mean for the future.
The dike along Florida's Lake Okeechobee, a shallow lake nearly the size of Rhode Island, is leaking. Could a hurricane cause another Katrina-like flood disaster?
The north Bering Sea, one of the world's richest feeding grounds for marine life, is warming to the point where animals must adapt or suffer the consequences.
Genome researchers have identified more than 700 regions in human DNA where apparently strong selection has occurred, driving the spread of genes linked to traits from bone structure to skin color.
A team of biologists has identified 20 hot spots around the world where mammal species, while not yet appearing threatened, are likely to be at high risk of extinction in decades to come.
Watch as an intrepid team patrols an isolated Brazilian park by boat, skirting raging currents and thundering falls and making contact with Indian tribes.
Following the outbreak of deadly bird flu in French poultry last week, fears are growing for the Gallic Rooster, a major part of the nation's cultural identity.
