Mollusks, from land snails and slugs to oysters and mussels in the sea, have a few things in common. They have a head. They have a soft middle part that holds their organs. Then, some have a muscle ...

Scientists devised a mathematic model that helps explains how Nipponites, some of the wonkiest ammonites, built their shells. By Sabrina Imbler If you’ve seen one ammonite, you may think you’ve seen ...

Add Yahoo as a preferred source to see more of our stories on Google. In 59 B.C.E. Julius Caesar, future dictator of Rome, gifted his favorite mistress Servilia a black pearl earring of such size and ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...

Healthy corals are colorful and full of life. And under normal conditions, corals and algae depend on one another. The corals offer the algae protection and the photosynthesizing algae provide the ...

The Great Marsh Shellfish Company is an oyster farm on the North Shore. Owner, Brenden Doyle, says it was a murky process at times, but he successfully harvested his first oysters last season. He ...