There are seven species of sea turtle alive today, and they are found in oceans all over the world except the Arctic. Many of ...

For researchers in Japan, the latest of the argonaut mysteries concerns its “shell,” which is actually a self-built, paper-thin egg case that surrounds the females.

Anna Maria Island beaches contain more than 400 sea turtle nests while two early nests hatched out on July 3. Yes, it’s hatch ...

Sea Turtle nesting season in South Carolina typically runs from May through October. Turtles hit our beaches to lay their eggs from May until late August, and hatchlings make their way to the ...

A version of this article appears in print on , Section D, Page 2 of the New York edition with the headline: Eight Isn’t Enough: Looks Like a Shell, but an Octopus And 40,000 Eggs Live Inside ...

The toughness comes from the egg shell's structure; it is made up mostly of calcium carbonate (calcite) crystals, similar to tooth enamel or sea shells, embedded within a protein matrix.

Kemp's Ridley Sea Turtle Nesting season runs from April through July. Staff from the ARK in Port Aransas warn beachgoers to stay on the lookout for this endangered species laying eggs on the beach.