By Peter Holley
If humanity survives the rise of artificial intelligence, the ravages of climate change and the threat of nuclear terrorism in the next century, it doesn’t mean we’re home free, according to Stephen Hawking.
The renowned theoretical physicist has gone as far as providing humanity with a deadline for finding another planet to colonize: We have 1,000 years.
Remaining on Earth any longer, Hawking believes, places humanity at great risk of encountering another mass extinction.
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