The main species of jellyfish you're likely to encounter on Welsh beaches are: the lion's mane, compass, barrel or root mouth ...

The immortal jellyfish, known as Turritopsis dohrnii, has the ability to reverse age and theoretically live an eternal life. Because of its ability to regrow its cells, it could theoretically escape ...

Jellyfish are fascinating yet dangerous creatures found in oceans worldwide. While many species are harmless, others possess potent venom that can cause severe reactions in humans, ranging from ...

Jellyfish have survived for over 500 million years, making them more ancient than the dinosaurs. Today these otherworldly creatures can be found around the world, from coastal shallows to the ocean ...

Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of ...

We are still trying to understand the scale and scope of the issue, including the level of risk to our indigenous species.” ...

Australia's most venomous jellyfish has arrived early at a north Queensland beach, where eight of the creatures have been ...

The infamous box jellyfish developed its frighteningly powerful venom to instantly stun or kill prey, like fish and shrimp, so their struggle to escape wouldn’t damage its delicate tentacles.

the most common is the Moon jellyfish which is about the size of a dinner plate. It is very transparent and has a tendency to swarm, but the good news is that they are relatively harmless to ...