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 ...

Knowing when the geodynamo started is important for understanding the evolution of the core, the atmosphere, and life on Earth. We report full-vector paleointensity measurements of Archean to Hadean ...

Add Yahoo as a preferred source to see more of our stories on Google. A new analysis of ancient grains of crystal embedded in rock from the Australian outback suggests Earth had dry land and fresh ...

Conditions on Earth during its first 500 million years may have been cool enough to form oceans of water instead of being too hot for life to form. This alternate view of Earth's first geologic eon, ...

Boulder, Colo., USA: Article topics and locations include stalagmites from Soreq Cave, Israel: Hadean zircon; the eolian stratigraphic record of environmental change through geological time; and ...

Scientists used to think that when Earth first formed, it was an uninhabitable wasteland, covered with molten lava and without a solid crust or ocean. They thought it was, literally, Hell on Earth.

Earth’s crust may have gone on the move roughly 3.8 billion years ago. “Earth is actually quite distinct to other planets, in that it has plate tectonics,” says study coauthor Nadja Drabon, a ...

In Earth’s early days, more than 4 billion years ago, the surface was a dangerous and unpredictable place. Violent volcanoes, crashing meteorites, and constant tectonic activity repeatedly resurfaced ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A new analysis of ...

Conditions on Earth for the first 500 million years after it formed may have been surprisingly similar to the present day, complete with oceans, continents and active crustal plates. This alternate ...