The saliva-based device would allow Clarksville Police road tests for amphetamines, oxycodone, opiates, methamphetamine, cannabis, and cocaine.

College protests test the limits of free speech. Can schools crack down — or does the First Amendment protect student voices?

On Nov. 5, the Supreme Court will hear oral arguments in a pair of challenges to President Donald Trump’s power to impose ...

Australian scientists have developed a biosensor that can rapidly detect the heart failure biomarker S100A7 in saliva, ...

A fresh set of benchmarks could help specialists to better understand artificial intelligence.

Say More asked you: what do you think about the federal government making it harder for folks who want to become U.S.

If the test accomplishes anything, it likely will subtly favor Trump-friendly immigrants, and disfavor MAGA skeptics.

President Donald Trump's revised naturalization test could make it harder for immigrants who don't subscribe to MAGA ...