After eight months in orbit, NASA astronaut Jonny Kim is about to depart the International Space Station (ISS) for the ...
Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...
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Strangely bleached rocks on Mars hint that the Red Planet was once a tropical oasis
Bleached clay rocks found on the Martian surface suggest that the Red Planet was once home to heavy rainfall and tropical ...
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