Scientists have discovered a three-eyed "sea moth" that dates back more than half a billion years ago. ...

A new species of radiodont has been discovered: Mosura, a “sea moth” that lived over 500 million yeas ago. Over 500 million ...

Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence found in one of the most fossil-rich areas of the world.

Paleontologists have discovered a three-eyed creature with a pencil sharpener-like mouth that roamed the sea for prey more ...

Researchers are studying one of the best-preserved trilobite fossils ever discovered, which are about 500 million years old. The well-preserved and three-dimensional fossils recovered from the ...

Earth's magnetic field was so weak it almost disappeared. Then, seemingly out of nowhere, complex life emerged.

Estimates on when the planet’s inner core may have solidified — when iron first crystallized at the center of the planet — once ranged from 500 million to 2.5 billion years ago. The research ...