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, ...

MEMPHIS, Tenn. - There's an Extreme Cold Warning for the Mid-South until noon Tuesday. Limit your outside time and stay warm. It's a cold start to the day under a mostly clear sky. Temperatures this ...