A sea turtle’s shell is living bone fused directly to its spine and ribs. It is not a detachable shield or an external case, ...

Most marine animals form their shells from calcium carbonate, which is a tough mineral also found in limestone. Some sponges and microorganisms use another compound silica. There is also a group of ...

Oceans are nature's beauties best left untouched, especially the shores. The shores, dusted in powdery Sun-baked sand, are often dotted with dry dunes, rocky cliffs, and clusters of pebbles slick with ...

The sea creature arrived at San Diego's Birch Aquarium in 2014 Ingrid Vasquez is a Digital News Writer at PEOPLE. She graduated from The University of Texas at Austin with a Bachelor in Journalism.

Deep under the surface of the South China Sea, a new species waits buried in the sand. Matt Hardy via Unsplash More than 4,000 feet below the ocean’s surface, a crack in the seafloor spews gases into ...