Chimpanzees exchange meat for sex.

2000-Year-Old Meteors will rain down on August 31, 2007.

The dead man was found naked, with his clothes lying intact inside the bear cage. Two adult bears, Masha and Misha, had dragged the body to their feeding corner and reacted angrily when keepers tried to recover it.

Armies of insects once crawled through lush forests in a region of Greenland now covered by more than 2000m of ice.

Kryptonite is no longer just the stuff of fiction feared by caped superheroes. A new mineral matching its unique chemistry - as described in the film Superman Returns - has been identified in a mine in Serbia.

A giant cane toad the size of a small dog and nicknamed Toadzilla is captured in northern Australia

A coyote is seen in Central Park, pursued and finally captured. Such animals appear among us on their own, as if we were the creatures in captivity and they were the ones taking a gander. Once, the whole world was wild, they seem to say.

Lake Atlantic, a narrow ribbon of stagnant brine ten miles in lenght by a mile wide, was all that remained of the former Atlantic Ocean.