Scientists think ancient Mars was quite different than it is today. While we might know it now as a barred, reddish wasteland ...

The idea of turning Mars into a planet where humans could one day live has fascinated scientists and science fiction fans for ...

Terraforming Mars has crossed from science fiction to a structured scientific research agenda, according to a peer-reviewed ...

Mars is a frozen shadow of its former self. Its riverbeds are dry, its air is thin and chock-full of carbon dioxide, and its soil is soaked with salts hostile to life. Yet beneath the red dust lies ...