Scientists are trying to explain a massive die-off of leopard sharks, Pacific angel sharks, and brown smooth-hound sharks in the San Francisco Bay.
Leaving your comfort zone (in gradual and controlled circumstances) can make you a better diver. What are the most challenging PADI specialties to help you grow?
The most common scuba diving-related injury is ear barotrauma. Why does it happen, and how can you avoid it?
On a night dive in the tropical Pacific, you see what appears to be an animated vermillion dinner napkin convulsing wildly. Congratulations, you’ve spotted a Spanish dancer.