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 ...

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

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

Geological time, generally considered as a system of eras, periods and epochs materialized in rock strata, might actually follow a simple and unifying model. Indeed, a new study led by ...

A series of submersible surveys to nearly 10 kilometers in the deepest parts of Japan's ocean trenches have revealed seafloor ...