Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

Advances in synthetic biology, planetary engineering, and ultra-low-cost launch systems have dramatically altered how researchers view Mars terraforming. Once seen as an impossible sci-fi fantasy, ...

Last week, the Trump administration released a presidential budget request that would cancel almost all NASA science missions in order to focus on putting humans on Mars. It's mainly a showy, ...