Why it's awesome: Earth's oceans are home to many secretive and unusual creatures that humans rarely see — including giant ...

Scientists discovered the 1-foot-long animal while aboard a submersible several miles deep in the Pacific Ocean. Take a look.

OCEARCH researchers are tracking what might be the largest male white shark ever tagged, with recent signals coming from ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

BOWHEAD WHALE These massive whales, found in Arctic and sub-Arctic waters, are known for their exceptional longevity. Some individuals have been estimated to live for over 200 years, making them one ...

Certain creatures like the black corals and tuatara have been thriving on Earth since centuries. In the animal kingdom, most of the longest-living species are found in the oceans.

Ocean's Giant The blue whale is a true marvel of the marine world. Known as the largest animal to ever exist on Earth, these ...

From birds travelling non-stop for 11 days, to the incredible feats of caribou, discover some of the longest migrations animals ...

The red sea urchin (Mesocentrotus franciscanus) is one of the earth's longest-living animals, reported to live more than 100 ...

From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.