Space Igloos, Lava Tubes and Hobbit Holes: Here Are Our Future Martian Habitats

The discovery of liquid water on Mars is great news for would-be settlers, but we’ll need more than H2O if we actually want to live there. The only cost-effective way for humans to colonize the Red Planet is for us to start building infrastructure out of local materials. I’m talking rovers made of Martian metals and… »9/29/15 6:40pm

NASA Is Sending Bacteria to the Edge of Space to See if They Can Hitchhike to Mars

Discovering life on another planet, only to contaminate that world with our own pesky microbes, is one of NASA’s nightmare scenarios. To find out whether single-celled Earthlings can hitchhike to Mars and survive on the Red Planet’s surface, NASA is going to see how they like it 120,000 feet up.
»9/26/15 5:00pm

What Kinds of Life Forms Could Actually Live on Mars?

Yesterday, NASA reignited our hopes of finding alien life when it announced the first direct evidence of liquid water on Mars. But before we start indulging in fantasies of space crabs and reptilian beings, we ought to remember that Mars is a frigid world with a thin atmosphere. And that raises an obvious question:… »9/29/15 1:30pm