Billions of Earth-Like Planets Orbit the Milky Way's StarsAt least 1 in 5 sun-like stars have potentially habitable planets.
How Can a Blood Test Tell if You're Schizophrenic?The new method could launch within 18 months.
Patty Murray Should Be the Next Senate Minority Leader The Washington senator is a better choice than Elizabeth Warren or Chuck Schumer.
Inside Higher Ed
Fighting Words? A professor compared Hamas to a rabid pit bull. Free speech couldn’t protect him from student vitriol.
What Happened at Slate This Week? Alison Griswold describes her experience reporting on the Germanwings tragedy.
Even Lufthansa’s Exhaustive Psychiatric Tests Couldn’t Have Stopped a Tragedy Like the Germanwings Crash