When monitor lizards breathe, air flows into their lungs in a one-way loop -- a pattern known as one-way airflow.
The mystery of where all the dino poop went has been solved.
A newly discovered 'killer jaw' crocodile adds to the growing list of toothy marine crocodiles that flourished during the Age of Dinosaurs.
Computer modeling of dino-era flying reptiles reveals they did not float happily on the water.
The huge-clawed, bird-like dinos appear to have gathered communally to nest.
A virtual recreation of the world's biggest known terrestrial animal shows that it lumbered along at around 5 miles per hour.
The ancestors of modern carpenter bees may have become extinct roughly 65 million years ago, around the same time the dinosaurs were wiped out.
A well-preserved fossil reveals that mosasaurs evolved to become super toothy, sleek, shark-like and speedy.
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