British waters host some remarkably ancient creatures that have been swimming through our seas for decades or even centuries.

When we think of snow, we usually think of winter. But did you know that it is always snowing in the ocean? Read more about marine snow.

Research reveals how natural selection shaped the Bajau sea nomads’ spleens to boost oxygen delivery, helping them dive for ...

A lot of weird-looking life-forms lurk in the deep sea, and this year we got some spectacularly close looks at several of ...

A seven-arm octopus was spotted in Monterey Bay in Nov. 6, 2025; the 'rarely seen' deep-sea octopus was spotted by ...

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

Researchers captured rare footage of a seven-armed octopus, offering a vivid reminder of how patient observation and careful ...

This expedition marks a major leap forward in understanding our planet’s most overlooked reefs,” said Shannon Bennett.

Marine animals can be fascinating and quite beautiful. However, you should not approach some of them. Certain fish and ...

A stranded octopus gets a helping hand back to the ocean and takes the time to "high five" the rescuer. What really happened?

The grey season is officially here, as clouds and hazy air have set the mood. And as this colour takes over, it also reminds ...

Learn why octopuses change color, how fast they can blend into their surroundings, and how the creatures can change into ...