Decompression sickness can happen to anyone, no matter how safe of a diver you are. Knowing what to look for and how to respond can save a life.

The dive life can be demanding, but it's the best job PADI instructors aboard Roatan Aggressor can imagine, giving divers memories and experiences they'll never forget and earning a place in their hearts. Caring for the ocean "isn't my job," one says. "It's my life."

Learn new tips from expert Annie Crawley on how your diving will change for the better when you become aware of your breath.

Hear from celebrity dive guide, tec instructor and media guru for the world’s deepest pool.

Lionfish are native to the Indo-Pacific region but have become an invasive species in various parts of the world, including the Caribbean Sea, Gulf of Mexico, and parts of the Atlantic Ocean. Lionfish are known for their striking appearance, characterized by long, venomous spines and vibrant colors.

Desire for underwater accolades leads to poor decisions.

Don't rock the boat! A guide to what you need to know before diving off a rigid hull inflatable boat.

In this edition of “Ask a Marine Biologist,” Dr. David Shiffman explains the health reasons behind limiting how much apex predator you eat.

Photo expert Alex Mustard shares his tips and tricks on how to photograph stunning images of manta rays.