Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...

In a first, researchers have discovered fragments of Earth's precursor that contain distinctive chemical fingerprints in ancient rocks from Greenland, Canada and Hawaii.

At the heart of some of the oldest rocks in the Earth's crust, an international team has identified a chemical signature ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites ...

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion years.

A chemical "anomaly" revealed through an analysis of meteorites may have led to finding the first existing evidence of "proto ...

Recent scientific discoveries have unearthed evidence of a cataclysmically destroyed planet, fragments of which contributed ...

Before sunlight ever reached the planet, another force may have sparked life—electricity. Deep beneath the ocean floor, ...