The oceans of the world are made up of countless fascinating creatures, many of which have yet to be discovered. It’s argued that among the most beautiful and majestic of the ocean creatures are the ...

A mesmerising video of the world's largest, longest, and heaviest known jellyfish species has been captured by an underwater videographer. John Roney shared the footage of a lion’s mane jellyfish that ...

From river giants to land-dwelling beasts, these are the biggest creatures walking, swimming and flying across our planet ...

The jellyfish can grow to be several feet across and are considered the largest jellyfish species in the world.

Field expeditions in marine biology can be unpredictable. Sometimes, they yield little more than old barnacles; other times, they result in stunning ocean footage and the discovery of dozens of ...

They don’t have a brain, and yet they’re able to survive—to thrive—generation after generation.” Flower hat jellies exemplify ...