NASA's sun-shielded Messenger spacecraft sent back images showing Mercury's single rocky plate is contracting, with massive slabs of rock sliding over one another and creating cliffs that can reach two miles high.
Domestic Violence Is Violence Mass killers often start by stalking or assaulting women.
What Happened at Slate This Week? Staff writer Lily Hay Newman shares what stories intrigued her at the magazine this week.
Ronald Reagan Is Kobe Bryant The best NBA analogues for George Washington, Warren G. Harding, Barack Obama, and every other president.