Investigators in Nancy Guthrie's disappearance are using a device called a "signal sniffer" to try to detect transmissions from her pacemaker. David Kennedy, former NSA hacker and inventor of the ...

A Tucson teacher is under investigation after sending sixth-grade students home with an assignment that included lyrics from a rap song depicting drugs, sex, gambling and violence. The Tucson Unified ...

For nearly a month, the Justice Department failed to take down more than a dozen images in the Epstein files that should have been redacted, including pictures of a young girl kissing Jeffrey Epstein ...

Brad Reese, the grandson of the inventor of Reese's Peanut Butter Cups, is criticizing The Hershey Co. for "quietly replacing" the candy's flagship chocolate and peanut butter ingredients. Reese ...

Systems analysis is the study of a complex system’s interacting parts, while keeping a eye on their function in the integrated whole. Systems analysis is often called upon to evaluate the safety of ...