Here is what to know about Dennis Rader a.k.a. the BTK Killer, who murdered at least 10 people between 1974 and 1991.

The FBI and the New York attorney general were looking into a spate of mysterious robocalls urging people to stay home on Election Day as the nation remains on high alert to ensure voting is not ...

Engineers have developed a robot that can detect whether people are wearing a mask to guard against COVID-19 and, if not, politely remind them to put one on.

"There's evidence that you can take models ... and you can hack them to remove their guardrails," ex-Google CEO Eric Schmidt ...