By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give ...

A buzz that rocked the state all summer sent geologists on a labyrinthine chase—and unearthed new mysteries about how energy ...

Satellites detected a mysterious gravitational change beneath Earth's surface, suggesting rapid movement of interior masses.

Curtin University researchers have demonstrated a new way to uncover the ancient history of Australia's landscapes, which ...

Earths, vast underground oceans of molten rock may be quietly doing the work of life’s first line of defense: generating ...