Deep inside the human brain, a small gland in the middle of the forehead helps keep time. As darkness arrives, the pineal ...

Researchers say a tiny one-eyed ancestor that lived nearly 600 million years ago may have shaped the evolution of every vertebrate eye, including our own. They also found that its ancient median eye ...

Humans cyclops connection: Scientists claim our eyes and even a hormone-regulating gland in our brain trace back to a bizarre ...

They also found that its ancient median eye lives on today as the pineal gland, which helps synchronise our sleep with daylight. Humans and every other vertebrate may share an astonishingly strange ...

The iconic one-eyed monster coming to movie screens in July in The Odyssey might have more in common with tiny water critters than with humans.