Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of ...

Biology professor Shana Goffredi calls these new curious creatures “extremely adorable” — although arachnophobes may disagree ...

The well-known Portuguese man o’ war — Physalia physalis — may look like a jellyfish, but it’s actually a siphonophore, or a colony of animals that live together to create the complete structure, ...

It may be no bigger than a fingernail, but this tiny jellyfish carries one of the most powerful venoms in the ocean. A sting from this nearly invisible creature can cause excruciating pain, paralysis, ...

Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres.

Sharks, rays, octopus and penguins are among more than 330 species killed by the mass algal bloom washing across South ...

BEACHGOERS are being warned to be on the lookout for a mysterious “alien-like” creature after one was discovered on a UK ...

Attracted by bait, sea turtles off the coast of southern Peru often get caught on fishing hooks intended for mahi-mahi.

Imagine traveling more than 600 miles from the only home you’ve ever known, to a mountain ridge you’ve never been to. It’s ...

Heat-trapping methane may be best known for the dangers it poses to humans and Earth’s atmosphere, but in the dark depths of ...

Climate change will benefit basking sharks in the UK but creatures like the longest living animal may struggle.

In a unique collaboration between the University of Groningen and the Carl von Ossietzky Universität Oldenburg, researchers ...