Oceans exhibit rare natural events beyond tides and marine life, including St. Elmo's Fire, a glowing electrical discharge ...

The odd-looking sunfish has a large, flat, round body with small fins. (Bill Hopper) The depths of the sea hold life forms that are truly beautiful, truly ...

Fish with transparent heads? Crabs with 13-foot legs? These are some of the bizarre-looking sea creatures found lurking on ...

Both were musical geniuses who paid a high price for their gifts. They burned bright, with art they created at their peaks ...

Today, the fragile pieces are prized by museums. Gifted glass artists Leopold and Rudolf Blaschka made models of sea life from 1863 to 1890. This one is identified as Renilla muelleri, a type of ...

A three-foot-long Antarctic gonate squid was spotted swimming 7,000 feet below the surface of the Southern Ocean ...

An expedition in the Southern Ocean captured video of a rare species of deep-sea cephalopod. Until now, it had been found only in fishing nets and in the bellies of seabirds.

The "large, conspicuous" animals are often seen by divers in the Galapagos Islands but went misidentified for over 180 years ...

In the deep seas found at the Earth’s poles, explorers are still finding elusive and mysterious sea creatures. On an ...

This primitive, 85-million-year-old marine reptile was a fierce predator, measuring 12 meters in length. Unlike any known ...