All marine protected areas (or MPAs) are not created equal—these factors help determine whether this important environmental tool can achieve its goals.

The scuba diving industry comes together in Orlando for DEMA Show 2019, where scuba gear manufacturers will announce new products, resorts will offer specials and more.

Cave explorer Jill Heinerth discusses her new book about scuba diving and exploration, "Into the Planet."

Get to know underwater photographer Nicholas Samaras, who took first place for Macro in *Scuba Diving's* 2019 Photo Contest.

For the 2020 survey, nearly 5,000 scuba divers weighed in on their picks for the world’s best scuba diving sites, operators, resorts and liveaboards.

Ritterhoff, originally recognized as a Sea Hero in June 2019 has been chosen as *Scuba Diving's* Sea Hero of the Year by a panel of judges.

Get to know underwater photographer Gabriel Barathieu, who took first place for Wide-Angle in *Scuba Diving's* 2019 Photo Contest.

Limpus has spent 50 years dedicated to sea turtle conservation in Queensland, Australia.

Activists believe there are only about nine vaquita left in the world, meaning this rare porpoise is likely close to extinction.