A recent study reveals that slow ocean expansion 15-6 million years ago caused sea levels to change and drop by up to 30 ...

Seismic waves from earthquakes have always offered a window into Earth’s hidden interior. For decades, researchers believed ...

Imagine a world where the Americas were not connected—a time when wild Pacific waters crashed against scattered islands, and ...

That means large areas, especially under oceans or deep inside continents, often remain unclear ... In the past, such anomalies were usually linked to subduction zones—places where one tectonic ...

Scientists believe that the motion of Earth's continents through plate tectonics has been largely steady over millions of years. New research, however, suggests this drift can speed up or slow down ...

Seismologist Deborah Kilb was wading through California earthquake records from the past four decades when she noticed ...

What roils beneath the Earth’s surface may feel a world away, but the activity can help forge land masses that dictate ocean circulation ... of Africa from other continents.

In this version of Earth's continents, there was one universal ocean. After 50 million years of Pangea, it broke apart again, this time into two masses known as Gondwanaland and Laurasia.