cut off from the rest of the world in the Antarctic for up to 10 months at a time and battered by some of the planet's harshest weather. Life at the base is tough—and, at times, terrifying.

Their research suggests that extraterrestrial beings may be living underground or in a base inside the moon ... civilization could be present on our planet. The authors noted that the idea ...

Radiation levels mean Mars colonies will have to base themselves ... being played inside a pressurised dome at a comfortable room temperature and atmospheric conditions. The planet's low gravity ...