The Oct. 28 front-page article "FBI's Theory on Anthrax Is Doubted" reported that silica enabled anthrax spores sent through the mail last fall to become airborne. The article quoted unnamed sources ...

Add Yahoo as a preferred source to see more of our stories on Google. I had spent much of the week in a space suit. It was March of 2001 and I was in training at the Center for Domestic Preparedness ...

In late October 2001, lab technician Terry Abshire placed a tray of anthrax cells under a microscope and spotted something so peculiar she had to look twice. It was two weeks after the country's worst ...

Lab specimens of anthrax spores, Ebola virus and other pathogens disappeared from the Army's biological warfare research facility in the early 1990s, during a turbulent period of labor complaints and ...

The Century Postal Station was closed for more than 24 hours after an envelope opened on the second floor around 9:30 a.m. Tuesday was found to contain a powdery or grainy substance. Preliminary tests ...

Editor’s Note: A new episode of the CNN Original Series “How It Really Happened” spotlights the terrifying anthrax attacks that followed Sept. 11, 2001, taking viewers inside one of the largest ...