A Dallas man was convicted of mailing threats to federal judges and sending white powder hoaxes that shut down a Fort Worth ...

CLACKAMAS COUNTY, Ore. — An investigation is underway after a woman threw an unidentified substance at a medic inside a Clackamas hospital. The medic remained hospitalized as of Friday night, ...

DARPA's synthetic blood has worked in animal testing. Now, it must overcome regulatory and cost challenges to take it into ...

Donald Ray McCray mailed white powder to a Fort Worth federal courthouse, causing authorities to shut down the building and ...

A Dallas jury convicted a man who sent threatening, powder-filled letters from prison, triggering a hazmat response and ...

President Donald Trump used several hot-button cultural issues to make a midterm election pitch to a key conservative group ...