For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...
Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...
Moon as seen from Space Planet surface. The surface of Moon, strewn with small rocks and sand. Flight over Moon craters. Conception space abstract background. Moon as seen from Space Planet surface.
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