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: ...

The ocean is one of the least explored places on Earth, yet it is home to some of the most incredible life forms ever ...

A giant sea predator that lived around 80 million years ago has been recognized as a new species after paleontologists revisited fossils stored in museum collections. Named Tylosaurus rex, the ...

A newly recognized "king" of the ancient seas is making waves after scientists revisited old fossils and realized they ...

(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 ...

An artist’s reconstruction of a finned octopus of the species Nanaimoteuthis haggarti that reached a length estimated at up to 18.6 meters (61.02 feet) and lived about 86 to 72 million years ago ...

A decade after they vanished from the ocean, the discovery of this lost colony of sunflower sea stars offers new hope for ...

Darkness dominates most of the ocean. Sunlight fades quickly as you descend, and by the time you reach the deep sea, natural light disappears entirely. Yet the ocean is far from black. Many marine ...