The Magnapinna, a species of bigfin squid, is rarely seen by humans. This one made a surprising appearance during a NOAA ...

An international team of scientists from the Schmidt Ocean Institute have captured the first ever footage of a colossal squid ...

Though once thought to be siphonophores — colonies of specialized zooids — the velella velella is now classified as a single ...

Images of a baby colossal squid this week reminds us that the deep sea is an almost inexhaustible source of awe.

Mild winter weather creates ideal conditions for these jelly-like creatures that travel by wind and wash ashore in spring.

The brand-new species was given the name Tripedalia maipoensis as a tribute to where scientists originally found the marine ...

Hordes of bright blue, jellyfish-like sea creatures are washing up on beaches across California. As of Monday, thousands of the critters — called velella velella or by-the-wind sailors — have been ...