The idea of humans living on Mars is closer to reality than it’s ever been. On Feb. 13, Elon Musk’s SpaceX ferried an international crew of four astronauts to the International Space Station, another ...
Gravity, atmosphere, temperature, and day length shape everything about how humans live and function. On other planets, these conditions would radically alter our bodies, societies, and daily survival ...
The colours of microbes that live in clouds high in the sky have been measured for the first time, giving scientists clues that could help us find life on other planets. A diverse range of ...