Ancient asteroid breakup may have bombarded Earth and the Moon 800 million years ago
A violent collision in the main asteroid belt may have sent debris raining across the inner solar system…
Earth’s Longest Ice Age May Have Repeatedly Thawed and Refrozen for 56 Million Years
Artistic representation of a Snowball Earth. Credit: Wikimedia Commons. The Sturtian glaciation was one of the most extreme…
Scientists Discover Remnants of Cataclysmically Destroyed Planet That Became Earth
Before Earth, there was “proto Earth,” a primitive hunk of rock that formed four and a half billion…