The unearthing of three 220m-year-old fossils in China has solved the enduring mystery of how the turtle got its shell. The ancient remains are the first evidence palaeontologists have of a species of ...

Hermit crabs were far from the first to call other creatures' discarded shells their own — fearsome 'penis worms' did the same thing 500 million years ago, a study found. Researchers led from Yunnan ...

Learn how fossils form through sedimentation and mineralization. Discover types like moulds, casts, and trace fossils in our ...

A collection of fossil shells from marine snails and clams is challenging a theory that says the world’s deadliest mass extinction was accompanied by severe ocean acidification. Instead of showing ...

A string of volcanic eruptions spanning a million years spelled doom for the dinosaurs even before the devastating asteroid impact 66 million years ago - and finished off any that survived it - a new ...

Scientists have found new evidence confirming that turtles once lived without shells. The almost-complete fossil dates back 228 million years and is bigger than a double bed. It was discovered in the ...

The almost-complete fossil dates back 228 million years and is bigger than a double bed. It was discovered in the Guizhou province of south west China Dr Nicholas Fraser, keeper of natural sciences at ...