The curious minds at What If explore what would happen if we settled on an alien planet.
For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...
AN EARTH-like planet which could support life has been discovered — but it is 282 trillion miles away. The rock, LHS 1140b, was discovered in 2017 but has now crucially been shown to have its own ...
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