Add Yahoo as a preferred source to see more of our stories on Google. Using 3D imaging, a study revealed evidence of prehistoric fauna from the collection of Oregon's John Day Fossil Beds National ...

It's the beginning of the spooky season, which means ghouls, ghosts, and bloodsuckers abound. One of the most famous bloodsuckers in nature is, of course, the leech. These parasites feed on blood and ...

A newly described fossil reveals that leeches are at least 200 million years older than scientists previously thought, and that their earliest ancestors may have feasted not on blood, but on smaller ...

Paleontologists have revealed the fossilized remains of a curious creature that is not only one of Earth's oldest animals, but may even be the first to have ever been mobile. Dubbed Quaestio ...

Dominican amber preserves a 16-million-year-old ant queen, marking the first fossil evidence of Hypoponera in the Americas.

KIMBERLY, Ore. (KTVZ) — A groundbreaking paleontological discovery at John Day Fossil Beds National Monument has uncovered fossilized footprints dating back as far as 50 million years, offering ...

Researchers have discovered an exceptionally preserved fossil site in Massachusetts that provides a rare glimpse into terrestrial life from over 300 million years ago. The findings, published in ...

(CNN) — About 50 million years ago, a small bird waded along a lakeshore in what today is central Oregon. A worm wriggled at its feet. The bird appeared to probe the silty earth with its beak, once, ...

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