Stephen Hawking adjusts Doomsday clock, gives us 100 years to leave Earth

Professor Hawking’s apocalyptic predictions began in 2015, when he mentioned in a Reddit Ask Me Anything (AMA) session that super intelligent AI might wipe us all out. He’s also cautioned against contacting aliens that might not be as friendly as we think.

Source: Stephen Hawking adjusts Doomsday clock, gives us 100 years to leave Earth