Spiked armor, tyrannosaurids, and new discoveries from the early development of birds mark important milestones in 2025.
The year's top paleontological wonders ranged from a 540-million-year-old penis worm to a decades-old rodent impression.
A large fish-eating dinosaur died beside a river 125 million years ago in Cretaceous Thailand. Now, the remains of this ...
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