According to experts, part of what makes the risk so alarming is that there are multiple possible paths to humanity's annihilation. But how exactly could superintelligent bots drive mankind to extinction ?

A researcher at a leading AI company has quit over concerns that big tech firms are in an 'out of control' race to build systems that could wipe out humanity.

A departing researcher says AI companies are ‘gambling with our lives’ by racing to develop self-improving AI.