Fossilization is a fickle process. Many fossils are fragmented, scattered (often broken) bones turned slowly to stone over millions of years. When most organisms die, their tissues are exposed to the ...

The year's top paleontological wonders ranged from a 540-million-year-old penis worm to a decades-old rodent impression.

A fossilized larva dating back over half a billion years has been discovered with its brain, digestive system, and nerve structures remarkably preserved. The tiny creature, an early arthropod ancestor ...

The fossil’s internal organs are almost perfectly preserved, providing researchers with rare insight into the early ancestors of today’s arthropods Arthropods include modern-day animals like crabs, ...

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 ...