Exploring Pristine Seas

For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it isn’t guaranteed. Mark Synnott, a National Geographic Explorer, writer, and adv ...  Show more

There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view, but not so much from a physical one. (Hint: We’re afraid of the dark.) In an e ...  Show more

As a diver in the 1970s, marine ecologist Enric Sala saw once-lush oceanscapes reduced to underwater deserts -- but later, in marine preserves across the globe, he also witnessed the ocean's power to rejuvenate itself when left to its own natural devices. Could rewilding the plan ...  Show more

Few of us get to witness the rich and complex ecosystems that live below the oceans' surface—but for Zandile Ndhlovu, venturing deep underwater on a single breath is part of daily life. Lale chats with the South African free diver about her work running The Black Mermaid Foundati ...  Show more

We're taking a look at our planet's oceans, and seeing how and where the important work into studying our seas takes place, as well as finding out how the data collected by marine expeditions translates to research that informs our climate and conservation efforts. Like this podc ...  Show more

Dive to the deepest point of the ocean with an astronaut, brave the high seas with an oceanographer, and meander through sparkling rivers with a hydrologist.