Have a photo that features the color pink? Do good by entering it in the Think Pink photo contest — win prizes while supporting breast cancer research.

From cannibalism to clones, here are 5 reasons sharks have mammals beat when it comes to pregnancy drama.

Recent expeditions to Easter Island's deep coral reefs have uncovered a wealth of fish that may be new to science.

Here are four things to consider when buying canned tuna.

Bye-bye belugas? Shrinking arctic ice could spell doom for white whales.

Looking for a book to take on your next diving vacation? Here are our picks for top scuba reads.

3D printing might be the answer to preserving coral reefs.

This two-time Emmy-winning filmmaker is our August Sea Hero for her commitment and passion for our oceans.

Green slime — an invasive Spirogyra algae — is taking over Siberia’s Lake Baikal, the world’s largest freshwater lake.