Fossils suggest the creature originated on the Asian subcontinent while it was still an island.
Evidence has been uncovered that connects the ichthyosaur with its transition from land to sea.
A fossil tusk rescued from the sea proves mammoths swam to Southern California's Channel Islands much earlier than thought.
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.
Half-ton boulder with fossilized remains is hauled up to street level by elbow grease, ingenuity, and a ropes-and-pulleys system.
Think modern crocodiles are terrifying? How about a 16-foot-long, nearly half a ton sort-of-crocodile that was so tough is even outlasted the mass extinction of 60 million years ago. Laci has more details on this beast from the land of the lost.
The new species was a 2-pound tree-dweller that likely fed on even smaller mammals and insects.
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