Many people enjoy spending their summers at the beach, listening to the waves, and exploring colorful tidepools. But too ...

Spain is facing an unexpected threat that seems only to be getting worse - and it could prohibit holidaymakers swimming in ...

This story appears in the October 2018 issue of National Geographic magazine. Moon jellies, which are found in shallow bays around the world, look like small, not entirely friendly ghosts.

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 ...

Crabs were seen feasting on what may have been a helmet jellyfish, the researchers said. The feeding frenzy was seen at a depth of about 1,82-feet. YouTube video screengrab The remote South ...

What most of us would recognise as a jellyfish - the otherworldly, gelatinous aquatic animals renowned for their sting-filled tentacles - is actually just the final stage of these animals' life cycle.

The upside of rising jellyfish numbers? Many animals eat them The upside of rising jellyfish numbers? Many animals eat them Jellyfish and human eyes assembled using similar genetic building blocks ...

“We need to understand what albatross eat, to identify how marine ecosystems might be changing in response to pressures such as climate change or fishing” The humble jellyfish has been found ...