Diving 120 feet beneath the surface, we explored a long-lost shipwreck and found something we never expected inside. This ...

Inside the First Deep-Sea Dive in History In 1930, a colorful band of researchers in the Atlantic taught us how to plumb the ocean’s depths ...

Scientists have made a groundbreaking discovery that challenges our understanding of Earth’s structure: an ocean located deep within the Earth’s mantle. This hidden reservoir could rival the ...

A deep sea-mapping company has created the first-ever full-sized digital scan of the Titanic, revealing an entirely new view of the world's most famous shipwreck. The 1912 sinking of the Titanic ...

To see a “world of life almost as unknown as that of Mars,” two explorers climbed inside the bathysphere and descended into the sea’s cold depths in 1931.

Only about 20% of the ocean’s depths has been mapped by humans. Here’s what we do — and don’t — know about the deep seas and why studying them is so precarious.

NICE, France—The deep sea—Earth’s largest and least-explored biome—is taking center stage at the United Nations Ocean conference this week, where marine experts are demanding world leaders ...

The Dead Sea in Israel is over 1,400 feet below sea level, but the Challenger Deep is 35,876 feet down at its lowest point. While most of the ocean bottom is nowhere near that low, life on land ...

Inside the first room is the Lithuanian artist Emilija Skarnulyte’s large-scale video installation “Aphotic Zone” (2022), in which documentary footage from deep-sea research expeditions is ...

The main attraction in Seattle Aquarium’s new Ocean Pavilion is “The Reef,” a nearly-500,000-gallon-habitat filled with tropical species typically only seen in the Indo-Pacific ocean.

Today scientists know that on average the ocean is 2.3 miles (3.7 kilometers) deep, but many parts are much shallower or deeper. To measure depth they use sonar, which stands for Sound Navigation ...