Behold the incredible places where we'll build cities in space

People always forget about radiation when they imagine space colonies. Out there, on other worlds, humans won't be shielded from cosmic radiation the way we are by Earth's magnetic field. That's why cities on other worlds are likely to be underground. Here are few places we might build them. » 7/23/13 1:23pm 7/23/13 1:23pm

Soon, 3D printers could be building houses on the Moon out of lunar…

London-based design firm Foster+Partners aims to partner-up with the European Space Agency, and build structures on the Moon from the regolith found on the surface. The inflatable scaffolding would be manufactured on Earth, then transported to the Moon and covered with a durable shell constructed by robotically-driven … » 2/01/13 12:20pm 2/01/13 12:20pm

Robot Finds Melting Ice on Mars

Remember that mystery white substance that the Phoenix Lander uncovered beneath Martian soil with its robot arms? Scientists were speculating that it might be salt or it might be ice. Now, a few days later, it's looking very much like ice. Why? It's melting, as you can see in these pictures. » 6/20/08 7:00am 6/20/08 7:00am