It was capable of growing beyond 30 feet in length and weighed around 10 tons—a mature elephant plus a sedan car.

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

Researchers have discovered an ancient moth-like sea predator in a treasure trove of museum fossils in Canada. The half-a-billion-year-old creature, Mosura fentoni, reveals that Cambrian arthropods ...

The Mosura fentoni, or "sea moth," is a newly discovered type of arthropod that would have lived in the deep sea more than 500 million years ago.

A graduate student came across a reddish-brown creature with claws that was tangled up in fishing line at a Washington lake — ...

Scientists in the South China Sea scooped up some muck, sifted through it and found the “rarely encountered” animal. Take a ...

The sea has intrigued explorers, adventurers, and treasure hunters for centuries. Given that only 5 percent of the world's oceans have been explored, it is not surprising that numerous irreplaceable ...

This raised four questions used to determine if two animals are ... new species was found in eastern Cuba, an island nation off the southern coast of Florida in the Caribbean Sea.