Andy Weir, author of "The Martian" and now "Artemis," on what colonizing space might look like.

But in the meantime the rock band takes the Marketplace Quiz.

Colonizing Mars won't be a moneymaker, according to sci fi author Kim Stanley Robinson.

Would it be profitable? One science fiction writer isn't so sure.

Congress is debating whether the U.S. should create a Space Corps.

And no, scientists won't be able to use them to peruse Facebook.

The U.S. lacks a long-term plan for traveling to the red planet.

A scientist from the Curiosity team tells about the rover's latest find and what it's like to work on Martian time.

There are concerns about how he could influence NASA's climate change research.