Lots of batteries mean lots of light. But we tell you which lights make best use of all the power.

Your dive buddy just ran out of air and he's coming for you. Is your octopus reg up to the job?

The Best of 2004 & What's New for 2005.

In an area of the Pacific known as the heart of the world's marine biodiversity, one island group stands out for its jaw-dropping abundance of life.

Micronesia. The name alone is magic to divers' ears. But to the rest of the world, it's practically unknown. Here's why divers want to keep it that way.

These 10 hot spots in the cold Emerald Sea may be the best diving in North America.

Our man hits the backroads of "the real Florida" to explore five popular springs.

Lost under water? We can help. Lost in the Wal-Mart parking lot? You're on your own.

Sometimes just getting there ready to shoot can be the hardest part.