Only 1.5 centimeters in length on average, these new jellyfish have 24 eyes located in four sensory organs, which together provide the organism 360-degree vision. Although this new species has only ...

Though it may not seem like it, the ocean is a much more terrifying place than the cosmos. From hideous, alien-like creatures ...

One that caught attention from many was a type of sea mollusk that washed ashore on South Padre Island in late May.

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 ...

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

Cambrian Period creatures known as sea moths seemed alien because of their additional eye, but a study finds anatomical features more in line with modern animals. An artist’s impression of Mosura ...

WASHINGTON (Reuters) - You've heard of having a heart of stone, but this old guy takes it literally. Scientists said on Monday they have found a fossil of a shrimp-like creature that lived 520 million ...