A quick guide on Marine Protected Areas and Marine Reserves for divers who want to make a difference. These vital areas provide habitat protection, increased species diversity and excellent diving opportunities.

The Galapagos Islands are not just famous for their shark-filled waters; they also boast some of the highest levels of endemism on earth. Find out what unique animals you can dive with in this remote island chain.

These April Fools’ Day marine pranksters mimic, hide and otherwise disguise themselves on April 1 and every day of the year.

During a 2022 Titanic Expedition, researchers made a thrilling discovery near the infamous wreck: a never-before-seen deep-ocean rocky reef.

Groupers have been a favorite fish since the pioneering days of diving. Widespread in the tropics and subtropics, they are slow-moving, curious and intelligent, and many are highly colored. Their big eyes and rubbery lips give them a cartoonish charisma. Groupers are long-lived and can become so infatuated with divers that they follow them closely— much to the enjoyment of any shooter.

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers questions recently sparked by a frozen shark found in Cape Cod.

Undersea explorer and educator Joe Dituri sets out to break the Guinness World Record for the longest underwater habitation while conducting groundbreaking research in biomedical and marine science.