Two NASA astronauts are currently outside the ISS, repairing an X-ray telescope
Two NASA astronauts are currently hard at work in space, patching up an instrument called NICER (Neutron star Interior ...
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NASA wants a 'Super-Hubble' space telescope to search for life on alien worlds
"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...