The Seven Sisters are a series of iconic chalk cliffs guarding the English Channel in Sussex. It is a beautiful, peaceful landscape. But travel back 85 million years, and East Sussex was the floor of ...

From the first sighting of a colossal squid in the wild to a seriously goofy octopus, 2025 delivered some astounding photos ...

Dynamic mounds made of methane at a depth of some 3,640 meters act like “frozen reefs” for a bizarre array of deep-sea ...

Beachgoers on a popular stretch of U.S. coastline have been stopping in their tracks at the sight of translucent, blue and white blobs scattered along the high-tide line. The creatures look almost ...

Lionfish have taken over parts of the Gulf and Caribbean, but one group in Texas is trying to put a dent in the species' ...

As the pink dolphins glided above gentle waves, their pale pink bodies were clearly visible against the grey-blue surface of the water.

(CNN) — Only a scattering of light penetrates the deep water, more than 300 feet beneath the ocean surface off the coast of Guam. It’s like twilight to the human eye, even in the middle of the day.

Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have ...

(CNN) — Only a scattering of light penetrates the deep water, more than 300 feet beneath the ocean surface off the coast of Guam. It’s like twilight to the human eye, even in the middle of the day.