Time-lapse video shows how a mushroom coral polyp pulses and inflates, flinging its soft body into micro-hops to slowly move itself to a new location.

Where else does sand come from? Coral sand, also referred to as biogenic sand, isn’t just made up of material that’s passed through a parrotfish. The movement of the ocean is abrasive and can also ...

(Getty Images)| The Bahamas' 3-mile-long Pink Sand Beach gets its color from crushed pink and red shells of microscopic coral insects. The shells of these critters mix with the sand, making it ...

That piece of coral I spotted broke off from its home likely due to a powerful wave or a careless snorkeler. Once it fell ...

Coral reefs provide many economic benefits. Skeletons of coral provide sand for beaches, and these spectacular landscapes attract tourists who provide valuable income for local people. Coral reefs ...