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 ...

Roughly every 26 months, the Earth and Mars orbit into position that will ... on how scientists decide to begin the first phase of terraforming — raising the greenhouse gas levels and heating ...

With NASA hoping to send humans to Mars in the 2030s and Elon Musk touting SpaceX's sci-fi-level plans for colonizing the Red ...

Mars is fairly attractive as ... the planet as a starting point for further terraforming works. His plan involves no nuclear reactors, chemical seeding, or big mining operations.

Mars may be the most Earth-like of the other planets in our Solar System, but it's still an inhospitably cold desert world with a thin and unbreathable atmosphere. If humans are ever going to ...