Earth once hosted more than 10,000 species of these ancient marine predators. Find out how they lived, when they vanished, ...

The spiders were coated in microalgae, which produced a substance that protected the 22.5 million-year-old creepy-crawlies from the ravages of time.

A recent analysis of the fossil in the journal PLOS ONE not only lends new insight into how it formed, but suggests that dinosaur "mummies" are far more common than previously thought.

Opalized ammonite fossils are some of the most unique and spectacular paleontological specimens. They were formed through a geological process known as opalization, wherein organic material from ...

World News Secret of how rare spider fossils formed has been unlocked by scientists Spiders are not well represented in the fossil record.

What do budding paleontologists need to know before starting their search? In Fantastic Fossils, Donald R. Prothero offers an accessible, entertaining, and richly illustrated guide to the ...

Sometimes science can be a messy endeavor—not to mention "disgusting and smelly." That's how British researchers described their experiments monitoring dead sea bass carcasses as they rotted ...

A technique used to help autonomous robots sort tiny marine fossils could pave the way for a host of additional applications.

By Katie Hunt, CNN Spiders are not well represented in the fossil record. Their soft external skeletons don’t typically preserve well — except at a few exceptional sites around the world ...