Kepler-10c is the biggest rocky planet ever discovered, so large most astronomers previously thought planets its size could only be gas giants.
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.