The new jellyfish species is the first ever found in the Burgess Shale, a 505-million-year-old fossil bed in the mountains of B.C. considered by UNESCO to be one of the most important in the world.

Jellyfish, as we know them from the ocean, have a few dozen of them, maybe a little bit over a hundred. But these jellyfish have literally several hundred, maybe close to a thousand.

The jellyfish's bright, trailing tentacles look like a lion’s mane and are easy to spot because of their orange color. They can be as large as 6 to 12 inches across at the bell, or the rounded ...

A massive jellyfish with tentacles stretching more than 100 feet washed ashore a Maine beach last weekend -- with swimmers and beachgoers warned to keep their distance from the stinging sea creature.

He told weather.com that this year there has been an unusually high number of Lions Mane jellyfish spotted. "Some of the things that are different this year is it’s pretty much all Lion's Mane ...

Kevyn Fowler, a retired photojournalist for local station WMTW, captured video of a lion's mane jellyfish washed ashore in Higgins Beach in Scarborough, Main e, near Portland, which is around 108 ...