Fast-moving objects don’t always look the way you’d expect. When something travels near the speed of light, strange things ...

Australia’s Ningaloo Reef is sick, like many coral reefs around the world. And scientists warn reef restoration projects are no substitute for climate action.

Scientists say they have determined that low blood sugar, or hypoglycemia, may promote a breakdown of the blood-retinal barrier, an important boundary that regulates the flow of nutrients, waste and ...