Prison advocates worry that thousands of false positive drug test results have tainted the parole decisions for some California inmates.

The key difference between a false positive and a false negative is that a false positive incorrectly asserts that something will happen, while a false negative incorrectly asserts that something will ...

The commercial terminal of the Aspen-Pitkin County Airport was evacuated for about 2½ hours on Sunday after a security screening machine detected a suspicious item that turned out to be a false ...