Add Yahoo as a preferred source to see more of our stories on Google. T. rex reconstruction. A reconstruction of Tylosaurus rex in the Cretaceous-era Western Interior Seaway of North America. (CREDIT: ...

They rode a tiny SeaDoo nearly 20 miles offshore searching for giant fish in deep predator-filled water. After landing massive sea monsters one after another, the blood in the water quickly started ...

A newly analyzed set of fossils suggests that an ancient octopus-like creature may have reached around 19 meters in length, placing it among the largest marine predators of the Cretaceous seas. The ...

(CNN) — Giant octopuses measuring up to 62 feet (19 meters) in length were among the top ocean predators around 100 million years ago, according to new research that uncovered rare fossils hidden ...

The top ocean predators during the Cretaceous were primarily giant marine reptiles and sharks, or so researchers have thought. Now, a new study suggests colossal “kraken-like” octopuses once hunted ...

Tylosaurus rex rewrites the story of giant sea predators, not just for its size but for what its bones reveal about mosasaur identity, violence, and evolution. Fossils long grouped with another ...