Paleontologists have identified thousands of animal species that lived soon after the Cambrian explosion ended ...

When geology professor Jason. W. Ricketts set out to study rock formations in West Texas, he didn't expect to come back with a dinosaur. The University of Texas at El Paso researcher was conducting ...

Almost a hundred new animal species that survived a mass extinction event half a billion years ago have been discovered in a small quarry in China, scientists revealed Wednesday. The treasure trove of ...

A paleontologist and a team of volunteers recently made a historic discovery at a Maryland park known for its fossils, according to an announcement from the Maryland-National Capital Park and Planning ...

Scientists have discovered a rare, 520-million-year-old fossil with a highly unusual detail: its internal organs are preserved. The findings were published in Nature, a peer-reviewed scientific ...

Most shark fossils are just teeth—their cartilage skeletons usually decay long before they can fossilize. But in northwestern ...

Scientists have discovered a rare 68-million-year-old dinosaur egg containing another egg inside it in Madhya Pradesh, India.

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 ...

"The chances of finding one fossilized are practically zero," said one of the scientists who is researching the specimen Toria Sheffield joined the PEOPLE editorial staff in 2024. Her work as a writer ...

The fossil leech compared with a modern leech. Double arrows indicate the large caudal sucker used for attachment, single arrows indicate body annulations. A newly described fossil reveals that ...