Roughly 4.5 billion years ago, a Mars-sized protoplanet named Theia slammed into the young Earth, causing a massive cataclysm that reshaped the very structure of the planet. This was a direct hit ...

Two life forms living together helped spark the evolution of all complex life. By learning to appreciate this process more ...

Within just a few million years, the continental plates begin to bend and squish toward each other. Around 200 million years ...

Life’s ultimate origin will never be known, but researchers are probing the possibilities—for Earth and elsewhere.

A study reveals that the oldest continental crust on Earth is slowly being broken up by shifting tectonic forces.

Scientists estimate that the first generation of reptiles evolved between 320 and 310 million years ago, this group was later dominated by dinosaurs which paleontologists say they evolved on Earth ...

New research from the University of California, Davis, the Chinese Academy of Sciences and Texas A&M University reveals that ...

The strength of Earth’s magnetic field seems to rise and fall hand-in-hand with the abundance of oxygen in its atmosphere, a ...

Earth’s earliest crust may have looked a lot more like the continents we know today than scientists once believed. A recent study shakes up old ideas about how Earth's surface evolved, showing that ...

Iron ore deposits are about 1.3 billion years younger than previously believed, reshaping both scientific thinking and mining ...

The galaxy clusters involved in this scuffle are part of a larger system—a “combined” galaxy cluster—called PSZ2 G181. In a study published in The Astrophysical Journal in April, researchers analyzed ...