A photographer encountered one of the Antarctic’s most elusive sea creatures, but all he had attached to his camera was a ...

The deep ocean just got more mysterious: 110+ new species discovered.

From the kelp forests of Sydney to the open waters of the South Pacific, these six underwater moments will stay with you long ...

It was the top predator; that was its place in the food chain. There was none bigger or more dangerous than it.” ...

For more than a century, this ancient creature vanished after a damaged lagoon was cut off from the sea. Then the tides came ...

The blue-ringed octopus is one of the smallest and most dangerous sea creatures in the world. Measuring only slightly more ...

Humpback whale freed from Baltic Sea resort in Germany become stranded again - Efforts to free the creature on Thursday involved an excavator digging an escape channel, ...

A patch of seafloor targeted for future mining has given us a blunt reminder that we don’t really know what’s going on down ...

The sea lamprey is not a creature with mass appeal, yet there is something about this ancient and mysterious eel-like fish ...

The latest clues hint at where pterosaurs — the first vertebrates to fly — came from, how they evolved, what they ate and more.