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Why Do Fish Travel in Schools?

When survival is the goal, greater security comes with numbers. Here, we're taking a closer look at schools and shoals—plus, we'll tell you how to capture the best underwater photos.

NOAA expands Cordell Bank and Gulf of the Farallones national marine sanctuaries off northern California

Cordell Bank and Gulf of the Farallones national marine sanctuaries off northern California will both more than double in size following a final rule released today by NOAA.

Secchi Disk: A Do-It-Yourself Conservation Tool | Tracking Plankton with Citizen Science

Through a unique global study, seafarers are taking part in recording the effects of climate change through an app. Check out how the Secchi app works!

NOAA Aims to Expand Coral Reef Sanctuary

Flower Garden Banks National Marine Sanctuary is known for its healthy reef communities and abundant marine life.

Sea Heroes: In Their Words - Keller Laros

_Scuba Diving_ magazine had a chance to catch up with July 2014 Sea Hero Keller Laros at DEMA Las Vegas to discuss the conservation work for which he was nominated for and it's importance for manta

Video: Incredible Time-Lapse Video of Underwater Critters

A short film by Sandro Bocci shows the wonderful underwater world of marine animals as they are shown at high magnification, during a long time span through the timelapse.

Sea Heroes: In Their Words - Mary O'Malley

_Scuba Diving_ magazine had a chance to catch up with May 2014 Sea Hero Mary O'Malley at DEMA Las Vegas to discuss the conservation work for which she was nominated for and the importance of protec

Oceanographer Sylvia Earle awarded Lifetime Achievement Award

Ocean explorer and environmental conservationist Sylvia Earle - also known as "Her Deepness" - was recognized in 2014 with a Lifetime Leadership award by the United Nations Environment Programme (U