Officials in Pennsylvania say tips from informants led them to a home where they arrested a man accused of fatally shooting a rookie police officer during a traffic stop last week
An Ohio man serving 30 years in prison for plotting to attack the U.S. Capitol in support of the Islamic State group wants his plea and sentence thrown out, arguing that he was mentally incompetent and was entrapped by the FBI
A mysterious asteroid detected speeding past the sun in October has been confirmed by scientists to be a visitor from outside our solar system, the first of its kind to be detected.
The U.S. plans to slap new sanctions on North Korea, after adding the country to its terror blacklist; it's a largely symbolic step because North Korea is already highly sanctioned over its nuclear weapons program
U.S. prosecutors say a member of an Iran-based hacking group tried to extort HBO out of $6 million in digital currency by stealing unaired episodes and scripts of hit shows like "Game of Thrones"