If you traveled to the deepest points of Earth, what would you find? Lost cities, mythical sea monsters, rivers of gold?

Submarines have been diving deeper and deeper into the ocean's depths, with undersea explorers looking to dive deeper than ...

When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It’s easy to imagine the sea beneath as calm and largely static – a massive, still abyss far removed ...

We've explored a lot on this planet, but how deeply have we truly gone?

The Indian Ocean holds the lowest gravity anomaly on Earth, a vast and subtle depression in the planet’s gravitational field located south of Sri Lank.

A giant underwater canyon system in the Atlantic appears to have formed through tectonic forces rather than erosion.

A high-risk mission to Thwaites Glacier, Antarctica's "doomsday glacier," faced setbacks as instruments became trapped deep ...

Deep inside Earth, two massive hot rock structures have been quietly shaping the planet’s magnetic field for millions of ...

Scientists have discovered a new kind of flat worm egg on the ocean floor below 6,000 meters, that is giving insight into the organisms that live at this depth.

Rare footage captures the giant phantom jellyfish off the coast of Argentina, one of the least-seen deep-sea creatures, ...

Scientists descend nearly 11,000 meters into the Pacific to investigate reports of oxygen production without sunlight on the ...

When the plate boundary later moved farther south toward the modern Azores, the formation of the King’s Trough also came to a halt.” It’s a remarkable example of how activity deep within our planet’s ...