The sea slug is bright green, shaped like a leaf and doing something very few animals can: harnessing the power of the sun.

When we think of slugs, we often picture slimy brown garden creatures. Under the sea, however, you can find slugs so colorful and unique they seem to have been transplanted from another planet ...

It might look like something you'd find in an alien salad, but this bizarre sea slug can actually steal body parts from other organisms and use their powers for itself. "This is an organism that can ...

Small but mighty and venomous creatures have caused the closure of tourist beaches for a second time in southeastern Spain this week after they were discovered in the water, local authorities ...

Beaches in the town of Guardamar del Segura, in southeastern Spain, closed earlier this week after the discovery of two venomous sea slugs in the water, local authorities announced. Due to the ...

ALICANTE, Spain (WKRC) - A popular area of beaches was closed by authorities after they found deadly sea creatures in the area that could potentially kill beachgoers with its poisonous sting.

Along the rocky coast of eastern Italy at night, researchers scanned a tide pool in hopes of seeing something interesting. A “leaf”-like sea creature caught their attention — and for good reason. It ...

We’re all familiar with La Jolla’s sea lions, harbor seals, orcas, garibaldi and seabirds. But in this new series of stories called Species of the Month, the Light will shed light on other, ...

Scientists surveying tide pools in Italy found a “rare” sea creature in a first-of-its-kind sighting for the Adriatic Sea, photos show. Screengrab from @MaPaRoNNiE’s YouTube video Along the rocky ...