Mars wasn't always frozen and barren. Billions of years ago it had flowing rivers, standing lakes, and possibly oceans. It ...

Major clues to the origins of our planet—and life itself—are locked inside some three billion-year-old volcanic rocks from ...

The idea of a hollow Earth has fascinated people for centuries. Some have imagined a giant empty world beneath our feet, ...

Western Australia’s Pilbara Craton is probably the last place you’d expect to learn anything about the role water played in ...

A surprising reversal in molten iron flow beneath the Pacific is giving scientists a sharper view of how Earth’s magnetic ...

Scientists have uncovered a new explanation for what powers Yellowstone and other supervolcanoes. Instead of a deep plume rising from near Earth’s core, a broad “mantle wind” may push hot rock beneath ...

The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

Earth was once covered by a global magma ocean, which later cooled and crystallised – now traces of this primordial event ...

The formation of continents was an important step in Earth’s history. Continents and plate tectonics are connected to the planet’s habitability, and the same is true for the habitability of other ...

Two powerful earthquakes struck Venezuela within 40 seconds of each other, collapsing buildings and killing more than 160 ...

A 5.6 magnitude earthquake rattled parts of Northern California early Wednesday, according to the United States Geological ...

Scientists have discovered that seismic waves traveling to Earth’s core and back caused almost all of Japan to shift eastward ...