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Lewis Pugh Swims the Seven Seas

Lewis Pugh was recovering at home in South Africa when I spoke with him by phone. Just four days earlier he had finished a monumental swimming challenge, completing seven long-distance swims in under a month. He quietly said “It was much harder than I thought”, which was a surprising admission from this world-renowned endurance swimmer.…

There’s Something in the Water

Although smaller than five millimeters in size, microplastic particles contaminating our oceans and rivers likely pose a massive environmental and human health risk.

Marine Reserves in All UK Overseas Territories?

The U.S. isn’t the only country to have the will and ability to protect huge areas of the ocean. A proposal to Parliament calls for the U.K. to create the world’s largest marine protected areas.

Palau Expedition: The Future of the Past in Palau

Enric Sala and team are back in the big blue on their latest expedition to explore and document the world’s most pristine seas. This time, the destination is the Micronesian island group of Palau.

Watch: Grouper Slurps Down A Shark, Not A Typical Meal

A massive grouper gobbles down a shark in one bite. The unfortunate victim seems to have been a meal of opportunity rather than part of a steady diet, according to an expert.

Longtime Sea Urchin Diving Partners Lead the Way in Sea Kelp Restoration, Technology and Collaboration

By Leanne Weiss Terry Herzik (67), Gary Thompson (71), and Lucy, Gary’s 8-year-old Chihuahua, board the Sunstar at dawn with enough food and fuel for the next three days. As they pull away, in their 34-foot vessel the sun is just beginning to rise over Fish Harbor, in San Pedro, Los Angeles. They’ll head southwest…

Sylvia Earle’s ‘Mission Blue’ Arrives on Netflix Today

Through interviews, old home movies, and breathtaking new footage, see what has inspired this indomitable scientist to dedicate her life to protecting the ocean.

Whales and Dolphins Squeal With Delight, Study Finds

Whales and dolphins express their anticipation of a reward by squealing like kids, a new study confirms for the first time.

Mako Shark Madness

In honor of Shark Week, for the next few days I am going to be posting some cool facts and photos of the sharks I have had the pleasure of swimming with. Check out the Shortfin Mako Shark (Isurus oxyrinchus), one of the fastest fish in the ocean.   Shortfin Mako facts at a glance…

How Do Glowing Sharks See in the Dark? New Surprises Revealed

Researchers discover special structures in deep sea shark eyes that allow the animals to navigate their gloomy environment.

Mythical ‘Sea Serpent’ Comes into the Light

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Davy Jones’ Locker, it might be called, this final resting place of a sea serpent.  In a darkened back room at the Smithsonian Institution’s Museum Support Center in Suitland, Maryland, ichthyologists Jeff Williams and Kris Murphy prepare to break the seal of a time capsule, a faded jar the color of yellow-green sea glass. A container…

Journey of the Sea Lion, Part Two: Totem Poles, New and Old

Jon Waterhouse and Mary Marshall join the voyage of the National Geographic expedition vessel, the Sea Lion, to tour and discover some of the best that the ecosystems and cultures of the Pacific Northwest have to offer. As the journey continues, the Haida people showcase their ongoing way of life and stunning artwork.

Green Snails: Valuable Aliens

By Alison Barrat and Alex Dempsey You don’t have to look too far to find a horror story about an invasive species that has completely disrupted a natural ecosystem. Cane toads in Australia come to mind or pythons in the Everglades or even lionfish in the Caribbean.  But what about introductions that have gone well?…

Journey of the Sea Lion, Part One: Majesty of the Pacific Northwest

Jon Waterhouse and Mary Marshall join the voyage of the National Geographic expedition vessel, the Sea Lion, to tour and discover some of the best that the ecosystems and cultures of the Pacific Northwest have to offer.

USAID Comes in on Fresh Legs to Help Save Wildlife

Time is running out for wildlife. Now, like a World Cup footballer coming in for a late-game substitution, USAID enters the conservation game with new energy and some bold moves.