More than twice as old as the most ancient dinosaur fossil, Helicocystis moroccoensis lived during the Cambrian Explosion, when all organisms lived in seas and life on Earth began to race toward its modern diversity.
Patty Murray Should Be the Next Senate Minority Leader The Washington senator is a better choice than Elizabeth Warren or Chuck Schumer.
What Happened at Slate This Week? Alison Griswold describes her experience reporting on the Germanwings tragedy.
Is This Thing On? The fierce debate over whether we should try to contact extraterrestrial life or wait for aliens to contact us.
Even Lufthansa’s Exhaustive Psychiatric Tests Couldn’t Have Stopped a Tragedy Like the Germanwings Crash