Proxima Centauri B, an exoplanet 4.25 light-years away, may be tidally locked and exposed to extreme stellar radiation.
Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.
Proxima Centauri b is the closest known planet outside our solar system. Reaching it would take around 100 years. This video ...
Globe and Mail journalist Mark Medley’s book delves into stories of seemingly impossible goals from around the world ...