Musk's long-term vision is to terraform Mars by giving it a thicker ... That means a space or Mars colony would need artificial gravity to keep residents healthy. Mars has some built-in gravity ...

Depending on whom you talk to, terraforming could take anywhere from ... The lack of gravity may cause humans on Mars to evolve differently than on Earth. Mars has one-third the gravity of Earth ...

The landing spot will depend largely on how scientists decide to begin the first phase of terraforming ... endemic to Mars for building a space station or for settling a colony.

In the case of Mars, [Casey Handmer] doesn’t have a plan to terraform the whole planet. But he does suggest we could potentially achieve significant warming of the Red Planet for $10 billion in ...