Researchers have found a jumping spider in East Africa that hunts mosquitoes filled with human blood, the first known spider with a taste for mammal blood.
Researchers in Africa recently observed wild gorillas using sticks to navigate a swampy clearing, providing the first evidence of tool use among the great apes in the wild. See the proof for yourself.
Swimming from Africa to Australia and back, a great white shark completed the first documented round-trip ocean crossing by a shark—and in record time.
Giant marine reptiles called plesiosaurs used their long necks to hunt for food on the seabed, newly found fossils suggest. The discovery challenges the long-held idea that the ocean predators targeted only free-swimming prey.
A huge Burmese python in Florida may have died while eating an alligator. But a new theory says it was a battle with a second gator that made the snake explode. Updated.
The winning pictures in this year's Visions of Science Photographic Awards take you from the depths of the Caribbean Sea to the surface of a cancer cell.
In a discovery with echoes of Jurassic Park, a scientist has found a 20 million-year-old fossil of a spider—and its blood—trapped in amber. It's the first such find of its kind.
Humans and other mammals have flourished on the Earth, and a study says one important change in their environment may help explain why: a large increase in the concentration of atmospheric oxygen.
Researchers have photographed wild gorillas using sticks to navigate a swampy clearing in Africa. The images provide the first documented use of tools among wild gorillas.
