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 ...

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

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

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

Not one of the crew members has bothered to warn us that Opal Reef is where one of the planet’s deadliest creatures killed ... s death on a nearly transparent jellyfish the size of a thumbnail.

Jellyfish are strange enough, but deep-sea jellyfish are in a league of their own. These creatures often have long ... This fish is known for its transparent head. The barreleye fish has a set of ...

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

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

A colossal squid is one of the largest and most mysterious creatures in the ocean. It is a soft-bodied sea animal ... squids are almost completely transparent, making them look like jelly.

The shores of Santa Barbara and Ventura counties have once again become the final resting place for scores of Velella velella ...

While immortality remains far from human reach, one small marine creature has drawn attention ... Meet Turritopsis dohrnii, a jellyfish that’s surprising the scientific community with its ...