Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.

Scientists found rocks in northern Quebec that may be over 4 billion years old. These ancient stones offer a glimpse into ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier than believed.

Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought. New research led by scientists at the University of Wisconsin–Madison has ...

The leading theory about how the moon was created is that a large object that was roughly the mass of Mars smashed into Earth billions of years ago. At the time, the Earth was obviously a lot smaller ...

The story of Earth is the story of change. The 4.5 billion years of this planet’s history saw it transformed from a hellish world of magma oceans and poisonous air to a temperate, habitable home ...

WASHINGTON, Nov 18 (Reuters) - Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints of living organisms in ancient rocks, an ...