The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.
8don MSN
When aliens come visiting... AI robots, not real beings, will threaten our existence, scientist says
Harvard professor Avi Loeb believes that aliens are not going to visit Earth in physical form, and would instead send a "technological device guided by AI". Their visit would not be fun either, and ...
Daily Star on MSN
'Intelligent aliens are out there - they've just not visited us yet'
A space boffin says intelligent aliens 'absolutely' exist, but blasts UFO cover-up theories as she waits for an ET radio ...
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