First Evidence a Comet Once Slammed Into EarthAbout 28 million years ago, it got incredibly hot over the Sahara, leaving telltale clues behind.
How Can a Blood Test Tell if You're Schizophrenic?The new method could launch within 18 months.
The Slatest Week in Pictures A pilgrimage in Nepal, elections in Athens, war in Syria, fashion in Paris, and trash heaps in China.
What Happened at Slate This Week? Social media guru Lindsey Underwood highlights the most popular stories of the week, from the Patriots to Tom Petty.
Why Do We Ignore Warnings About Earth’s Future? “What's dragging us down is religious faith.”
He Never Touches the Balls Tom Brady may be the handsome face of the Pats, but the team’s heart and soul belong to defensive tackle Vince Wilfork.