This hypothetical world, dubbed "Planet Y," could be around the same size as Earth and may exist alongside another popular ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A ...

Hello Games has released yet another No Man’s Sky update, this time adding space wrecks to explore. Check out the patch notes for the Breach update.

When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical ...

Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids and planets, including the young Earth, then a hot, molten sphere likely ...

the Earth you walk on today might not be the same planet that was born 4.5 billion years ago. Many scientists believe that in its infancy, Earth collided with another world the size of Mars, and that ...