Returning to pre-COVID fitness, getting medical clearance and returning to the water gradually are all important for diving after long haul COVID.

For 43 years, Bruce Higgins has led teams that sculpted this patch of ocean floor and submerged glacial moraine into a dive wonderland.

PADI scuba shops in Hawaii issued more certifications in the second half of 2020 than the year before. Operators say the trend is continuing in 2021.

Ashely Bugge frequently dives her husband’s reef memorial, runs a podcast, and shares his rebreathing accident in a safety documentary to honor his vivacious life.

This week’s dive to the USS *Johnston*, the world’s deepest shipwreck at 21,180 feet, was the deepest shipwreck dive in history.

Vincent's Project Seahorse finds marine conservation solutions “by understanding interdependencies between marine life and human communities.”

At least 539 manatees died in Florida waters by mid-March, only 100 shy of the number that died in 2020. Cold water and lack of food availability are among the potential causes.

The bioluminescent species include the blackbelly lanternshark, southern lanternshark and the kitefin shark, the largest luminous vertebrate ever discovered.

The seafloor search for DDT barrels off the coast of California comes after the *LA Times* exposed an old chemical dumping ground in late 2020.