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.
TODAY IN SLATE
Don’t Worry, Obama Isn’t Sending U.S. Troops to Fight ISIS
But the next president might.
The Extraordinary Amicus Brief That Attempts to Explain the Wu-Tang Clan to the Supreme Court Justices
Amazon Is Officially a Gadget Company. Here Are Its Six New Devices.
The Human Need to Find Connections in Everything
It’s the source of creativity and delusions. It can harm us more than it helps us.
How Much Should You Loathe NFL Commissioner Roger Goodell?
Here are the facts.
The Plight of the Pre-Legalization Marijuana Offender
What should happen to weed users and dealers busted before the stuff was legal?