What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?
Space.com on MSN
Interstellar comet 3I/ATLAS may be nearly 12 billion years old. Its star system may no longer exist
Our solar system's famous "invader" might be as old as the Milky Way itself.
The Why Files on MSN
12 astronauts, 1 alien planet, and a decade lost in space
In 1965, twelve astronauts vanished into deep space on a mission Earth never acknowledged—sent to live among aliens on a ...
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