The octopus is one of the world’s most alien creatures, but nothing puts that into perspective more than the physiological ...

Jellyfish. Image by Ank Kumar, CC BY-SA 4.0 via Wikimedia Commons. Jellyfish have been drifting through the world’s oceans for over 500 million years, making them one of the oldest living creatures.

The problem with jellyfish is that their stinging cells can remain active even after the animal is dead. Fishermen complain ...

Kevyn Fowler, a retired photojournalist for local station WMTW, captured video of a lion's mane jellyfish washed ashore in ...

Mauritius Info from Licensor: "Not exactly sure what this is." ...

Ocean drifters once thought identical are actually several species. Genetics and ocean modeling uncover unexpected isolation.

The lion's mane jellyfish sting can be particularly painful and expects have warned against getting close to it ...

A Maine beachgoer recorded this video of a lion's mane jellyfish, one of the largest known jellyfish species.

When designing a workout, it's important to move in all of the body's planes. What are they? Here's an anatomy primer to help.