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

Mexican President Claudia Sheinbaum has openly criticised the United States government’s reimposition of a ban on cattle ...

The U.S. has again ceased livestock imports from Mexico related to the presence of the parasitic New World screwworm fly ...

New cases of screwworms on July 8 in Veracruz, Mexico has caused the U.S. to close southern borders to livestock imports.

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

By dropping the sterile, fully developed flies, the USDA plans to prevent flesh-eating maggots from reaching the United ...

Secretary Rollins takes decisive action and shuts down U.S. Southern border ports to livestock trade due to further northward ...

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

The ruling is a setback for President Donald Trump, a Republican who recaptured the White House promising a vast immigration ...

A US judge ruled Wednesday that US President Trump's ban on asylum claims by migrants who cross the Mexico-U.S. border is ...

Fentanyl remains the deadliest drug in the United States. But at the US–Mexico border, something unexpected is happening. Seizures of the synthetic opioid have fallen sharply — more than 50% compared ...