Scientists believe they've identified the common ancestor that links human beings with all other placental mammals: a rat-sized creature that lived on insects.
The great white shark isn't descended from megatooth sharks such as the extinct Carcharocles megalodon - the largest carnivorous shark that ever lived - as many believed.
Researchers have for the first time used stem cells to grow neuromuscular junctions between human muscle cells and human spinal cord cells - the key connectors used by the brain to communicate and control muscles in the body.
After 10,000 fire-free years, the Arctic tundra is again experiencing wildfires, and they're contributing significantly to the world's carbon dioxide levels.
Forget about weekend keggers, man. Going to college has never been as fun as this!
A University of Florida engineering researcher has developed a tiny night vision device that would be incorporated into everything from cellphones to eyeglasses and car windscreens.