A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...

Nearly 200 Jurassic footprints found in southern England reveal new insights into 166 million-year-old prehistoric creatures, ...

But this is where Ahvaytum may rewrite the origin story because it originates from the North American landmass, which once formed part of Laurasia. At roughly 230 million years old, it is comparable ...

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