Astronomers report in Nature that they’ve discovered a probable dwarf planet that orbits the sun further out than Pluto, which is notable in its own right. But it may point to something bigger: a rogue planet hiding in the icy furthest reaches of our solar system.
TODAY IN SLATE
The Irritating Confidante
John Dickerson on Ben Bradlee’s fascinating relationship with John F. Kennedy.
My Father Invented Social Networking at a Girls’ Reform School in the 1930s
Renée Zellweger’s New Face Is Too Real
Sleater-Kinney Was Once America’s Best Rock Band
Can it be again?
The All The President’s Men Scene That Captured Ben Bradlee
Is It Better to Be a Hero Like Batman?
Or an altruist like Bruce Wayne?
Driving in Circles
The autonomous Google car may never actually happen.