Donate today and get a Marketplace mug — perfect for all your liquid assets! Donate now

The economics of colonizing Mars

Oct 24, 2017
Would it be profitable? One science fiction writer isn't so sure.
An artist's conception of the Phoenix Mars lander on the red planet.
NASA/JPL via Getty Images

Should we fund the militarization of space?

Oct 3, 2017
Congress is debating whether the U.S. should create a Space Corps.
The SpaceX Falcon 9 rocket launches from NASA's Kennedy Space Center on June 2017 in Cape Canaveral, Florida.
Bill Ingalls/NASA via Getty Images

NASA is testing supercomputers to send to Mars

Aug 14, 2017
And no, scientists won't be able to use them to peruse Facebook.
The NASA logo on a protective box for a camera near the space shuttle Endeavour April 28, 2011 at Kennedy Space Center in Florida.
STAN HONDA/AFP/Getty Images

Why mud cracks on Mars matter

Jan 19, 2017
A scientist from the Curiosity team tells about the rover's latest find and what it's like to work on Martian time.
This view of a Martian rock slab called "Old Soaker," which has a network of cracks that may have originated in drying mud, comes from the mast camera on NASA's Curiosity Mars rover.
NASA

50 years and beyond: Voices from the 'Star Trek' universe

Sep 5, 2016
We're celebrating the show's anniversary with a multipart series.
Leonard Nimoy and William Shatner as Mr. Spock and Capt. Kirk from "Star Trek."
Wikimedia Commons

What goes up must come down. Or else.

Feb 25, 2016
Space debris poses major risks for the future of space exploration.
Space debris poses major risks for the future of space exploration.
Ethan Miller/Getty Images

Junk in space could have impact on earth

Sep 22, 2015
The government tracks debris zooming around the earth at upwards of 17,000 mph.
The Lunar Module 'Challenger' as seen from the Apollo 17 spacecraft after Transposition and Docking manoeuvres during NASA's Apollo 17 lunar landing mission, December 1972. The white dots surrounding it are debris shed by the Saturn S-IVB stage separation.
Photo by Space Frontiers/Getty Images

For public good, not for profit.

NASA's New Horizons mission to Pluto

Jul 13, 2015
Spacecraft probes the farthest reaches of the solar system.

Two new applications for big data

Sep 2, 2013
Leveraging massive amounts of computing power to predict weather and explore the galaxy.

How close are we to a real-life 'Elysium'?

Aug 9, 2013
In anticipation of this weekend's big sci-fi epic, a look at how close we are to building a real-life space colony.