The sea creature — which was first spotted in 2002 in a deep-sea volcanic structure in ocean waters south of Tokyo, Japan — has a bright red "X" on its stomach.

JAPAN, — Scientists say they have found a new species of Medusae — a type of free-swimming, umbrella-shaped jellyfish. The sea creature — which was first spotted in 2002 in a deep-sea ...

Newly described species of jellyfish with a red cross inside its translucent body is only found in the Sumisu caldera over 2,500 feet beneath the surface of the Pacific Ocean.

The eruption began early July 16 on the Sundhnúkur Crater Row, about 30 miles southwest from the capital, Reykjavik. See images of the eruption.

Jets of searing hot molten lava spewed over 1,000 feet into the Hawaiian air Friday from the Kilauea volcano. Pictured is a May 4, 2018 column of robust, reddish-brown ash plume from a Kilauea ...