A diver made a disturbing discovery during a nighttime swim off the coast of Cozumel, Mexico. Pedro Valencia first spotted a bizarre creature and realized it was the rare siphonophore.

Scuba-diving water anoles create a breathing bubble hat to help them stay submerged for long periods of time.

Off the coast of Bunaken Island, Indonesia, two creatures' vibrant bodies made them stand out against their rocky reef environment as divers swam past, leading to their discovery as two species new to ...

Opinion Editorial cartoons for April 13, 2025: Stock market dive, Trump tariff retreat Updated: Apr. 13, 2025, 9:24 a.m. | Published: Apr. 13, 2025, 8:00 a.m.

Scuba-diving lizards have an aquatic trick up their sleeves: They can create air bubbles on their foreheads to breathe underwater, enabling them to stay submerged for long periods and escape ...