Half of Earth’s oceans are more than 3.2km deep. Beneath them lie cavernous plains untouched by sunlight, vast gaping trenches made by Earth’s tectonic plates shifting, and ranges of underwater ...

The planet that appears so steady beneath our feet is, in reality, subtly reorienting itself in space. As ice melts, oceans ...

Researchers discovered that continents don’t just split at the surface—they also peel from below, feeding volcanic activity in the oceans. Simulations reveal that slow mantle waves strip continental ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

In the dry, sun-scorched deserts of Ethiopia, a slow but astonishing transformation has been unfolding since 2005. A 35-mile-long crack, known as the East African Rift, is gradually tearing through ...