An artist's impression shows the planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to the Solar System - European Southern Observatory A swarm of tiny spacecraft could ...
08:39, Wed, Aug 26, 2020 Updated: 08:44, Wed, Aug 26, 2020 NASA astronomers searching for signs of life in the Universe are on the hunt for potentially habitable exoplanets. These are alien worlds ...
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