"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...
Morning Overview on MSN
A rare interstellar comet arrives as detection risks grow
A rare visitor from deep space has swept through the inner solar system, offering astronomers a fleeting look at material ...
Veritasium on MSN
Why Europa has become the front line in the search for alien life
NASA’s Europa Clipper mission is set to investigate Jupiter’s icy moon for signs of a vast subsurface ocean and the chemical ...
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