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Spider crabs were caught migrating early this year in Melbourne, Australia. Check out this incredible underwater video from an Australian scuba diver.

The Crown-of-Thorns Starfish is beautiful but deadly. Is there a way to combat their zombielike invasion before it's too late?

Researchers gain understanding of shark population density using data they gathered during eight years of study on Palmyra Atoll.

Australian researchers now have a better understanding of the whales' flashy surface behaviors.

Presenting the 2017 Readers Choice Awards for the Best Caves, Caverns and Grottoes.

Sometimes you need a break from the tank. Here we present the 2017 readers choice awards for best snorkeling destinations.

The project is helping to save the world's most important nesting site for the turtles.

The “Pearl of the Orient Seas” — the Philippines — earned a number of Top 100 Readers Choice Awards, including Best Overall Destination in the Indo-Pacific.