Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's ...

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...