Computer simulations suggest that a collision with another planetary object early in Earth’s history may have provided the heat to set off plate tectonics. By Lucas Joel Some 4.5 billion years ago, ...

NASA’s Spitzer Space Telescope has picked up on what seems to be evidence of two planets impacting and then exploding in a oh-dear-God-it’s-like-the-Death-Stars-all-over-again-no-no-nooooooooooo way.

Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...

According to a recent study, published inScience Advances, the early Earth was formed astonishingly fast, but it wasn’t initially a planet capable of supporting life. The building blocks of biology, ...