The sea is dark and full of terrors. There may or may not be water on Mars, but there are apparently Martians in the water. A fisherman is making waves after sharing footage of a bizarre, mystery sea ...

Dive into the depths of the ocean to discover seven rare deep-sea creatures so strange and elusive, you won't believe they exist.

Thousands of strangers on the internet just collectively named a deep-sea creature that lives on sunken wood at the bottom of ...

In a remarkable encounter filmed at more than 3,700 feet below the surface of the Indian Ocean, a deep-sea creature resembling an alien glyph has captivated millions online. The footage shows the ...

The vast majority of the ocean is unexplored, unmapped and unobserved by human eyes. As researchers explore the vast ecosystems under the waves, odd creatures emerge from hidden nooks and crevices.

More than 500 million years ago, something in the ocean changed. Some creatures evolved to build their own hard-shelled exterior. Others grew to sizes never seen before as the amount of oxygen on the ...