The Best Photos of Mars Since Curiosity’s LandingA look at the barren landscape where water once flowed.
What Olympians Looked Like 100 Years AgoPhotos of the sometimes scrawny, frequently mustachioed athletes from the 1912 Stockholm Games.
Why Isn’t My Green Card Green?How this critical immigration document became pink, beige, and blue.
An Astronaut’s Incredible Photos of “Star Trails"Looking at Earth from the International Space Station.
Battered and Blue Police departments shouldn’t feel under siege. The public just wants better policing.
Don’t Sweat the Dodd-Frank Rollback Congress just gave Wall Street a win. It also opened the door for smarter, better financial reform.
What Happened at Slate This Week? Staff writer Lily Hay Newman shares what stories intrigued her at the magazine this week.
How Creative Is Your Computer? The Lovelace test is a better measure of artificial intelligence than the Turing test.
Squash vs. Baseball! Wrestling vs. Golf! Good riddance to the days when sports had to fight each other for Olympic survival.