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

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

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.

A San Ysidro man was charged Wednesday in San Diego federal court with attempting to smuggle 14 exotic toucans across the U.S ...