Mexico's government has seized 14 million doses of fentanyl, the latest major haul in a drive to stem the flow of the powerful opioid into the US.

The country is one of the world’s highest producers of the chemicals used to produce the synthetic opioid in America.

"The flow of deadly fentanyl across our border is down by a record 56 percent in one year," President Donald Trump bragged during his State of the Union address on Tuesday night. That claim is ...

The U.S. drug czar stood on a sandy hill facing the border fence in Sunland Park, making a bold prediction — Mexico drug ...

Here, I’ll unpack some of Donald Trump’s boldest State of the Union claims: truth, fiction, and everything in between.

A Chinese province has intensified a crackdown on fentanyl precursor trafficking, an issue that strained U.S.-China relations ...

Jeff Hurd, the Republican from Grand Junction representing Colorado’s 3rd Congressional District, has fallen out of favor ...