Eight-inch-long Grandfather turtle did not have a shell, but it had the makings of one.
About 425 million years ago, a sneaky worm-like parasite invaded a crustacean before the two were fossilized together in the limestone.
Snakes have been around far longer than anyone expected, according to a new study on the new four oldest snakes on Earth.
Evidence has been uncovered that connects the ichthyosaur with its transition from land to sea.
It may look innocuous now, but the little stone may have killed someone 700 years ago.
Prevalence of the dinosaur's skin in fossil record may have more to do with texture, toughness than population density or habitat.
Newly discovered dinosaur fossils, plus a new assessment of dino size, have led to a revised list of the top 10 largest dinosaurs that ever lived.
A teeny-tiny skull from a bizarre 11-million-year-old worm lizard hints at the evolution of these strange creatures.
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