'Thousands and thousands' of these curious creatures have been showing up on the Texas shoreline, expert says. What are they?

Far below the reach of sunlight, a strange predator drifts through the water like a living ghost train, its body stretching ...

In July and August scientists onboard the Schmidt Ocean Institute’s research vessel Falkor (too) spotted the oddities through the eyes of an underwater robot as they explored the Mar del Plata Canyon.

The Portuguese man o’ war is one of the ocean’s strangest creatures, and its danger comes from what it really is, not what it ...

In fact, more people have walked on the Moon than have visited the deepest parts of our oceans. In this world of constant ...

A deep-sea fish species with unusual cheek patterns has been discovered in the South China Sea after it was listed on online seafood markets. The fish has been named Branchiostegus sanae because its ...

What are the blue blobs washing up on California beaches? What to know about these strange sea creatures. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

The Abdopus octopus is found in intertidal zones along the Northern Australian coastline. Rather than being restricted to ...

The ocean is one of Earth’s greatest mysteries, with miles of unexplored terrain that scientists are still trying to uncover. With advancements in technology, scientists have unearthed three new ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

The knotty sea spider, Pycnogonum litorale, is not actually a spider, but it does represent a significant early branch in the genetic family tree that includes spiders, as well as scorpions, ticks and ...

Scientists have filmed odd communities of life flourishing deeper in the ocean than ever before. The chemosynthesis-based life-forms get their energy from chemical reactions, powered by gases seeping ...