Since the moon was likely formed after a Mars-sized object slammed into Earth, sending hot rock into space, researchers believe Earth’s gravity pulled on the moon’s crust as it cooled and settled.
The Myths of Katrina Ten years after the storm, falsehood about warnings, violence, and recovery persist. Here’s the truth.
What Happened at Slate This Week? International affairs writer Joshua Keating on what to read to understand the apparently permanent slowdown of the Chinese economy.