Massive sea creatures were spotted off the coast of California and viewers are calling the experience “dreamy.” Onlookers ...

A hidden ecosystem of giant sea spiders, octopuses, and other stunning sea creatures shows how life can flourish even when sealed off from the surface by a thick layer of ice.

Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to ...

Sea Life Florida will merge the wonders of ocean exploration with the excitement of a theme park | What to know: ...

Over 800 marine species have recently been discovered including a guitar-shaped shark off the coast of Mozambique. NPR's Sarah McCammon speaks to marine biologist, Lucy Woodall.

As the world marks International Seal Day on Saturday, the Two Oceans Aquarium and the City of Cape Town have teamed up to ...

Sharks are more sought-after than ever. Yet, recreational anglers have become increasingly irate toward these species, ...

A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its back off the coast of New Zealand.

The decidedly unattractive creature dominated the competition in the contest run by Mountains to Sea Conservation Trust, ...

Ocean Census has embarked on numerous expeditions—so far—with a sole aim: discovering new species in the "world's greatest ...