Massive amounts of seaweed have been washing up on the Texas coast, bringing along sea creatures. Most recently, "rarely seen ...

Floating sea anemones are rarely seen on land because they spend their lives drifting in the open ocean, clinging to floating debris.

Fin whales are the second-largest whale species on the planet and have a “distinctive coloration – black or dark brownish-gray on the back and sides and white on the underside,” according to the ...

Some animals have mind-blowing powers that sound like pure science fiction—from shrimp with shockwave punches to jellyfish ...

But deceased specimens and scattershot footage at the sea surface can only tell you so much. To properly understand the lives of these fascinating animals, scientists needed to spot one swimming ...

Scientists have collected unusual creatures from the ocean floor. These include pink sea pigs, giant sea spiders, dinner plate-sized sea stars, and sea butterflies. Many of these were found during ...

NATO has ramped up its presence in the Baltic Sea, sensing a threat from Russia. Countries that border the strategic waters are also ordering more vessels. The sea is important both to Russia and ...

A colossal squid is one of the largest and most mysterious creatures in the ocean. It is a soft-bodied sea animal, similar to an octopus but longer and bulkier. It has a tube-shaped body ...

A massive sea creature was trapped in a fishing net and struggling to surface for air, California officials said. The adult gray whale, entangled in a gillnet that got caught on a rock crab trap ...