Some experts predict that A.I. will surpass human intelligence within the next few years. Play this puzzle to see how far the ...

According to three Stanford scientists, lack of human biological material is a “major bottleneck to progress” for medical ...

Can history be hard? Of course. But when you take a deep breath and tune out the white noise of politicians and pundits — ...

Authorities have taken into custody a longtime leader of a Los Angeles street gang who investigators say ran a “mafia-like” criminal enterprise that included murder, human trafficking and extortion wh ...