Imagine swimming in the ocean and suddenly spotting a creature larger than any shark, faster than any human can sprint, and more vicious than any predator alive today. Meet the Mosasaurus, a marine ...

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Look into the jaws of a Mosasaurus and you will gaze into a nightmare. The seagoing lizard’s curved teeth stand in a line that point backwards to the throat, an extra set of piercing teeth on the roof ...

Dr. Scott explains all about the prehistoric marine species Mosasaurus. Dr. Scott explains all about the prehistoric marine species Mosasaurus. Dinosaur Train is available to stream on pbs.org and the ...

An enormous sea snake from Norse legend that was fathered by the trickster god Loki and grew big enough to circle the globe is now the namesake for a different type of “monster” — a newly discovered ...

A Feb. 21 Facebook video (direct link, archive link) claims to show footage of a Mosasaurus, a water-dwelling reptile that lived millions of years ago. "Extinct Animals Caught On Camera," reads the on ...