Reference: See hereDuring the period before his passing in 2018, Hawking persistently cautioned that any intentional effort to communicate with extraterrestrial beings, particularly those potentially far superior to our own species, might jeopardise humanity's survival.
His concern centred on the possibility that rather than approaching us with inquisitiveness or goodwill, a supremely intelligent alien race might view Earth as a world ready for plunder.
⁘If aliens ever visit us,⁘ Hawking said in a 2010 episode of Into the Universe, ⁘the outcome might be similar to when Columbus landed in America, which didn't turn out well for the Native Americans.⁘
Hawking argued it would be foolish to presume that sophisticated civilisations would inherently embrace peace, reports the Express US .
Hawking theorised that alien societies with interstellar travel capabilities would probably have depleted their homeworld's natural resources, driving them to traverse the cosmos seeking fresh planets to colonise or mine for raw materials.
Whilst initiatives like Breakthrough Listen, which earned Hawking's backing, focus on picking up alien transmissions, other programmes including Breakthrough Message and METI (Messaging Extraterrestrial Intelligence) advocate actively broadcasting messages into the cosmos to announce our existence to other civilisations.
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