All living beings emit a strange glow linked to vitality that vanishes when they die, according to a study that may lead to a powerful new tool for medical diagnosis. Life forms are essentially ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — Scientists for the first ...

The natural world is full of animals that seem to defy logic, blurring the line between reality and imagination. Some look like they were made from spare parts, while others behave in ways so unusual ...