A new study reveals Earth's essential features formed within its first 100 million years, challenging long-held theories.

Ancient impacts brought gold and other precious metals to our planet, and a magma ocean produced with these impacts' heat trapped those metals and kept them safe. When you purchase through links on ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...