oceans - National Geographic Search

Scientists record coldest ocean temperature ever in Earth's history—and wonder how life survivedJanuary 28, 2026 – Ancient rocks once beneath the ocean hold clues of severe conditions unimaginable on today's planet.

In the ocean's 'twilight zone,' divers risk their lives in search of mysteriesDecember 16, 2025 – For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before-seen marine species is part of the mission.

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Could an ancient Hawaiian marine technology help depleted ocean ecosystems recover?March 30, 2026 – Hawaiians have been harvesting fish sustainably for generations, tending traditional ponds known as loko iʻa. The multibillion-dollar aquaculture industry is starting to take notice.

These were the first underwater photos to reveal the ocean floor—in full colorNovember 10, 2025 – Capturing the first underwater color photographs was no mean feat and involved powerful explosives as well as hours and hours of waiting.

Inside the extremely bizarre sex lives of anglerfishMay 19, 2026 – The fish, who live in pitch-black darkness, likely use their bioluminescent lures to find mates. Males then attach themselves to the females—and never let go.

Looking for whales—and awe—through Baja CaliforniaMay 15, 2026 – The Gulf of California was once known as “the aquarium of the world.” But on a recent whale watching trip—and in an era where climate change is making its mark—our writer wonders if it still delivers.

Belugas join a rare animal kingdom club—they can recognize themselves in a mirrorMay 20, 2026 – Video accompanying a new study shows them barrel-rolling and blowing bubbles at their own reflections.

Become a backyard geologist—in one weekApril 29, 2026 – National Geographic's Wonder Lessons will teach you how to navigate the stars, spot cloud types, recognize common trees, and identify different kinds of rocks. Today, we’re learning about sedimentary rocks.

10 of the best Sir David Attenborough documentaries to watchMay 08, 2026 – For more than 70 years, Sir David Attenborough’s documentaries have explored the complexities of the planet’s natural ecosystems. As the broadcaster and natural historian prepares to celebrate his 100th birthday, we take a look at some of his most impactful work.

Shailene Woodley is leading a new wave of ocean conservationMarch 17, 2026 – When it comes to protecting our seas, the pragmatic actress is after solutions that move the needle. “If I put my energy towards something, it’s because I know I can actually do something.”

11 of the best hotels in Santorini, from windmill stays to cave suitesMay 19, 2026 – Long considered a honeymoon haven, Santorini now attracts travellers looking to explore beyond its resorts, with characterful stays to be found right across the island.

Is Vancouver home to the coolest sauna experience right now?May 15, 2026 – From public community centres to high-end spas, Vancouver has a longstanding love of saunas. Floating versions bring the ritual onto open water, pairing intense heat with bracing fjord dips.

Cristian Lagger is exploring some of the coldest, darkest places on the planetApril 21, 2026 – Thousands of feet below the surface, the Antarctic seafloor is a time machine to another realm. Here’s how one scientist brings back lessons from the deep.

Katy Croff Bell is making a visual treasure map of the deep seaApril 01, 2026 – We’ve barely explored the ocean’s floor. This new 3D map offers 10,000 new spots to look at next.

Overfishing threatens the world’s oceans—but there may be hopeSeptember 17, 2025 – Global efforts may help reverse the tide of overfishing’s harmful impacts on the planet.

Survival of the most cooperativeMarch 30, 2026 – Can dying coral be nursed back to life by healthy coral? A new theory from a pair of marine biologists studying how the tiny animals work together is offering fresh hope in the fight to save the world’s vanishing reefs.