In this video, we face a brutal possibility: what if crushing distances, lethal radiation, and the laws of physics make interstellar travel impossible? This doesn't mean the end of our exploration, ...

A Waymo driverless car was stalled at an intersection while not able to detect traffic lights after a major power outage in San Francisco on Saturday.Credit...Tayfun Coskun/Anadolu, via Getty By Sonia ...

Just under 14 months into his time at Manchester United, Ruben Amorim was dismissed as head coach. A tenure marked with inconsistent performances, emotional outbursts and historically bad results ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. This past year, I've tested many ...