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 ...
What are the chances that aliens would visit? Andromeda, pictured here, is our nearest galaxy. There are an estimated 100 billion galaxies – and 40 billion Earth-sized planets orbiting in the ...
Protecting planets from extraterrestrial invasion might sound like a job that only exists in science fiction. But NASA recently posted a "Help Wanted" ad for exactly this position, under the name ...