TUCSON, Ariz. — Former FBI agents are questioning a holster configuration seen in surveillance video tied to the Nancy Guthrie case, calling the apparent pairing of a semi-automatic handgun with a ...

As the search for Nancy Guthrie, the 84-year-old mother of "Today" show host Savannah Guthrie, entered its third week, federal authorities, who have characterized the case as a possible kidnapping, ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

As runners, we have loads of reasons to thank our legs. They carry us through every stride, whether they like it or not, and they experience thousands of impacts with the ground every time we lace up ...