Supporters of planetary colonization argue that becoming a multi-planet species could safeguard us from potentially ...

These three organizations have bold plans to be the first to colonize Mars in the next few decades. To astrophysicist Neil deGrasse Tyson, those plans aren’t just bold. They’re foolhardy and ...

Scientists as eminent as Stephen Hawking and Carl Sagan have long believed that humans will one day colonize the universe. At least, that this is theoretically possible (and even imperative if we are ...