Deep-sea dragon fish may not see the light of the sun, but their vision has evolved rapidly. Some turned from blue-seeing to red, and then reverted back to blue, a new study suggests, and ...

A six-year study off California’s coast shows how marine heat waves and noise pollution are silencing the ocean’s largest ...

Trilobites How Fish May See Color in the Deep Ocean’s Darkness Fish that have never known sunshine could be able to see the world in shades of blue and green we can’t even imagine. Share full ...

Scientists have long presumed that the creatures in the deep ocean experienced a dark, colorless world. But some of the fish who live there may be able to see colors thanks to a newly discovered ...

The blobfish is another one of the deep blue sea's strangest fish. Its appearance gives off one similar to — you guessed it — a blob, and it is often found at the bottom of the ocean.

Go on a mission deep beneath the waves in Spy in the Ocean, A Nature Miniseries, premiering Wednesdays, October 25 – November 15 at 8/7c on PBS (check local listings), YouTube and the PBS App.