An international team of researchers has discovered a half-billion-year-old fossil with its internal organs still intact.

Scientists have made a jaw-dropping discovery, a 520-million-year-old fossil that has preserved not just its body, but its ...

A 430-million-year-old fossil reveals that the first leeches were ocean predators, not bloodsuckers. The discovery radically shifts the timeline of leech evolution by more than 200 million years.

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 ...

We know them in death. We know how they died, some of what they ate, how they grew, where they may have roamed, and even if they suffered from disease or injury. Preserved bones can tell us a lot, but ...

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For more than 90 years, scientists have puzzled over an unusual 280 million-year-old reptilian fossil discovered in the Italian Alps. It’s unusual because the skeleton is surrounded by a dark outline, ...

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 ...

A fossil only tells part of the story. When an animal's body is preserved as a fossil, there are often pieces missing, and ...

For over a century, the scientific literature has credited western missionaries with "discovering" fossils in Lesotho, the ...

A fossil only tells part of the story. When an animal’s body is preserved as a fossil, there are often pieces missing, and ...

A University of Cambridge-led team has analyzed giant anaconda fossils from South America to deduce that these tropical ...