Next stop, Mars? Well, not quite, but a new estimate puts the price tag for a potential manned mission to Mars at a much easier-to-stomach $80 billion to $100 billion. That's a far cry from the oft-repeated–and absurd–cost of $1 trillion.
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.
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.