Antarctica is covered by a miles-thick ice sheet, but was that always the case? And when was the coldest continent ice-free? When you purchase through links on our site, we may earn an affiliate ...

A small tweak to mitochondrial energy production led to big gains in health and longevity. Mice engineered to boost a protein that helps mitochondria work more efficiently lived longer and showed ...

After injury, the visual system can recover by growing new neural connections rather than replacing lost cells. Researchers found that surviving eye cells formed extra branches that restored ...