Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

Add Yahoo as a preferred source to see more of our stories on Google. AI models used ancient zircons to reveal Earth’s earliest crust chemistry, solving a long-standing geologic mystery. (CREDIT: CC ...

For generations, we believed life depended on sunlight, air, and space. Forests, oceans, and soil seemed its only homes. Solid rock, buried miles beneath Earth's surface, was presumed lifeless. That ...

(CNN) — A rocky outcrop in a remote corner of northern Quebec appears serene in its eerie isolation on the eastern shore of Canada’s Hudson Bay. But over the past two decades, this exposed remnant of ...

Deep beneath the surface of distant exoplanets known as super-Earths, oceans of molten rock may be doing something extraordinary: powering magnetic fields strong enough to shield entire planets from ...

A new study from Harvard geoscientists reports the oldest direct evidence yet of plate motion, dating to 3.5 billion years ago. In a study published March 19 in Science, the researchers found that ...

Add Yahoo as a preferred source to see more of our stories on Google. The Nuvvuagittuq Greenstone Belt in northeastern Canada is home to the oldest rocks on Earth (Jonathan O'Neil) Earth formed about ...