There's a billion-year gap in Earth's geological history. A new study seeks to explain the mystery.

The Earth with the upper mantle revealed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock in a key region just below the tectonic ...

In 1869, John Wesley Powell was studying layers of rock in the Grand Canyon when he noticed an unconformity in the layers. Around a billion years were missing, and the problem turned out to be global.

New study reveals that Earth's inner core is undergoing unexpected structural changes, challenging long-held assumptions about its solidity.

Satellite image of Earth displayed the North American continent (top) and the South American continent (bottom). (Pixabay via Courthouse News) (CN) — After following a trail of crumbs left behind in ...

Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to fluctuate during its most extreme ice age—known as Snowball Earth. During the ...

(Left) Schematic illustration of a kink structure. (Center) Kink bands observed in mudstone near Fort Island, Rhode Island. (Right) Large-scale kink structure in Southern California, USA. Your first ...

A team of international scientists might have just identified where a billion years of missing history might have gone ...

When we look at the solid ground beneath our feet, it's easy to assume Earth has always been this way. But our planet tells a story so extraordinary, so ...

WASHINGTON (Reuters) - Scientists using an ocean drilling vessel have dug the deepest hole ever in rock from Earth's mantle - penetrating 4,160 feet (1,268 meters) below the Atlantic seabed - and ...

A rock face on the Monte Conero anticline holds many paddle-like footprint tracks packed together on one surface, likely made by sea turtles.