Something strange is happening underwater, off the coast of Norway—and it’s not just another seafloor oddity. These odd structures, now called sinkites, are turning our understanding of Earth’s layers ...

Hidden inside a piece of agatized coral lies a natural masterpiece over 20 million years old. When cut open, its interior reveals vivid crystal formations that look like alien landscapes frozen in ...

At over 4 billion years old, the Earth has seen civilizations come and go. While many of these civilizations have been studied, others have been swallowed up by the planet and nearly forgotten about.

NOAA is mapping Cape Cod Bay seafloor for the first time in decades, using sonar to chart hazards and update nautical charts ...

By the 2030s, the world’s oceans may become as transparent to sensors as the skies became to radar in the 20th century. With help from AI, multiple transmitters and receivers – mounted on ships, ...

For millions of years, a fragment of ice and dust drifted between the stars—like a sealed bottle cast into the cosmic ocean.

View of the underwater remains of the British cargo ship "Thistlegorm," which was sunk by German aircraft in 1941 after being deployed to transport military supplies from England to Egypt during World ...

How to Do It is Slate’s sex advice column. Have a question? Send it to Stoya and Rich here. It’s anonymous! Dear How to Do It, My husband is having an unusual issue: During the day he cannot get an ...

During her hunt for the Egyptian queen’s lost tomb, National Geographic Explorer Kathleen Martínez uncovered the sunken landscape near the ruins of Taposiris Magna. Archeologist Kathleen Martínez and ...