Tylosaurus rex rewrites the story of giant sea predators, not just for its size but for what its bones reveal about mosasaur ...

Earth’s oceans cover 71% of the planet, but humans have only explored less than 20% of the seas. Scientists believe there are many undiscovered creatures living in its depths. Some species, like the ...

This video shows a sperm whale (Physeter macrocephalus) swimming beneath the ocean surface in deep blue water. The whale is recognized by its enormous rectangular head, which makes up a significant ...

Strange Deep-Sea Creatures Were Once Mistaken for Monsters and It's Easy to See Why ...

It took just 27 years for us to discover, formally describe, and drive a sea cow species to extinction. The Steller’s sea cow ...

Fifteen million years ago, now-extinct species of dolphins, whales and large sea cows roamed the world’s oceans, topping the underwater food chain. Yet back then, any one of these creatures could ...

Mucus, feces, skin and other shed tissue allowed researchers to investigate which creatures have been swimming in two deep-sea canyons without having to observe or catch them ...

Nicknamed the “king of the kelp forest,” giant sea bass are among scuba divers’ favorite characters to spot off the California Coast. But very few of these charismatic fish remain. A team led by ...

A giant "sea dragon" backbone plucked from a riverbank in Mississippi could belong to the largest mosasaur ever found in the state, scientists say. Researchers only found a single vertebra from the ...

In an age of exhausting AI-generated videos and manipulated images purporting to showcase real marine life that have never been seen by human eyes, it's easy to forget that there are actually ...