How can radio astronomers successfully identify extraterrestrial radio signals while discerning them from Earth-based radio signals? This is what a recent study published in The Astronomical Journal ...
NASA has a job opening that sounds straight out of science-fiction. The "planetary protection officer" position will ensure that Earth is not contaminated by matter brought back from space, and that ...
A NASA scientist says her aim is to stop deadly alien viruses from reaching Earth and vice versa. Dr Moogega Cooper's job is to prevent such "contamination" being brought back home by astronauts and ...
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