One northern state plans to train unemployed youths to sterilize the hordes of monkeys that have migrated to farms and cities after losing their forest habitat.
A chemical trick has triggered a co-evolutionary arms race between parasitic Alcon blue butterflies and Myrmica rubra ants in Denmark, a new study says.
Conservationists condemn U.S. government plans to sell Chukchi Sea petroleum leases. The groups say polar bear and walrus populations weren't considered and Arctic warming wasn't factored.
The Arctic is warming faster in the air than near the surface, a surprising find that suggests atmospheric circulation plays a greater role in global warming than previously thought.
Southern Chile's Llaima volcano erupted in a fiery explosion of molten rock and ash this week. Tourists, park workers, and residents are evacuated from the area.
The third anniversary of the Boxing Day tsunami is observed, China unveils its first homemade commercial jet, Bavarian "monsters" celebrate Christmas, and more.
Pacific salmon are colonizing Atlantic waters off Argentina, posing a serious threat to penguins and other native wildlife that compete for food, experts say.
Bamboo-dependent pandas competed with ten-foot apes—and maybe even early humans—for food and territory in ancient China, scientists familiar with new fossils say.