It was capable of growing beyond 30 feet in length and weighed around 10 tons—a mature elephant plus a sedan car.

A vast proportion of our oceans still remain unexplored and mysterious, with unimaginable diversity calling them home.

The Mosura fentoni, or "sea moth," is a newly discovered type of arthropod that would have lived in the deep sea more than 500 million years ago.

Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence ...

sea rafts, purple sails and little sails, have washed ashore up and down the California coast. The small creatures look like ...

A remotely operated submersible saw the “semi-gelatinous” animal lying on the ocean floor and “flying underwater.” Take a ...

See the 10 unexplained sea creatures that shocked the world on tape. US, state flags to fly at half staff through Sunday: Here’s why 32 people rescued from sinking 'Lamborghini' yacht in Miami ...

The Octonauts are heading to the Eden Project for half-term fun. The popular children’s TV characters will be bringing their Octo-adventures to the attraction from Friday, May 24, to Saturday, June 1.

A group got the chance to see the largest sea creature on the planet, California officials said. Matt Hardy Unsplash Bystanders got the chance to join the 1% club after spotting the largest sea ...