A massive sea creature created an “incredible” experience for boaters off the coast of California, onlookers said. On April 20, boaters got the chance to play a game of “peekaboo” with a humpback ...

Ruby Reynolds and her father were on the beach when they discovered Ichthyotitan severnensis - the largest-ever marine ...

An international team of scientists and crew on board Schmidt Ocean Institute's research vessel Falkor (too) was the first to film the colossal squid (Mesonychoteuthis hamiltoni) in its natural ...

Researchers witness strange sea animals, including poisonous sea pigs and hand-sized sea spiders, while sailing to the Denman ...

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and ...

National Geographic's upcoming docuseries, 'Secrets of the Penguins,' captured a shocking encounter between a mother rockhopper penguin and giant, hungry sea lion, and PEOPLE has a first look at the f ...

A colossal squid has been captured on camera for the first time in the deep sea by an international team of researchers ...

Scientists find strange sea pigs, giant sea spiders, and a butterfly-like animal beneath the Antarctic Ocean’s icy surface.