A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs ...

Despite the islands’ seclusion and conservation-related restrictions, a trip to the archipelago is within reach of many ...

Meet Mosura fentoni, a bizarre 506-million-year-old "sea-moth" with three eyes, claws, and an abdomen full of gills.

But Mosura was different. Instead of the familiar streamlined body with flaps and claws, this little predator had something ...

It turns out that preservation of these structures is widespread, confirming the ancient origin of this type of circulatory ...

Today, tegus are considered invasive creatures in Florida, but a new paper suggests they’ve lived in the southeastern United ...

There are hundreds of urchin species, and they’re found in every ocean on Earth, from the intertidal zone to more than four ...

Sea otters are critical players in marine ecosystems and are a keystone species, meaning they have a profound effect on their ...

Ronan the sea lion can still keep a beat after all these years. She can groove to rock and electronica. But the 15-year-old ...

The Galveston Beach Patrol said they had to treat three people last weekend who were stung. The sea creature is bright blue and can swell up like a balloon with long tentacles that sting.

Unique creatures, odd animals and new species are discovered across the planet. Some are found lurking in remote corners of the world, while others have been hiding right under our noses.

The China Coast Guard (CCG) landed on a disputed reef in the South China Sea earlier this month to assert sovereignty over the island that the Philippines also claims, Chinese media reported on ...