The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in ...

The flesh-eating livestock pest New World screwworm has advanced closer to the U.S. border with Mexico, the U.S. Department ...

Mexican President Claudia Sheinbaum said on Thursday that the U.S. decision to halt cattle imports from Mexico again over the ...

The U.S. Department of Agriculture has again halted imports of Mexican cattle into the United States due to the spread of the ...

The trust deficit that often clouds U.S.-Mexico cooperation — rooted in concerns over corruption, impunity and sovereignty — ...

The zones will be patrolled by at least 7,600 members of the armed forces, vastly expanding the U.S. government presence on ...

Drugs and explosive chemicals are difficult to detect, but a device more sensitive than a dog’s nose can pick up their traces ...

The U.S. has shut its southern border to livestock imports again after a flesh-eating parasite was found further north in ...

The New World screwworm fly's larvae feed on live flesh, threatening livestock health and causing economic losses. US and ...