Havana, a two-year-old Shepherd mix, practices detecting screwworm on cow-sized equipment inside a greenhouse, a training exercise meant to mimic the sweltering heat the dogs must tolerate in Chiapas, ...

The US government is planning to carry out a shocking plan in which they will take millions of sterile New World screwworm ...

The U.S. Department of Agriculture works to neutralize -- again -- the flesh-eating larva of the New World Screwworm fly.

President Donald Trump has announced plans to impose a 35% tariff on Canadian imports starting August 1, just as the U.S. and Canada approach a key deadline for a new trade agreement.

WASHINGTON (AP) — President Donald Trump said in a letter that he will raise taxes on many imported goods from Canada to 35%, ...

President Donald Trump late Thursday threatened a 35% tariff on goods imported from Canada, a dramatic escalation in an ...

U.S. President Donald Trump is threatening to escalate the trade war with Canada — again. He’s announced a 35 per cent tariff on all Canadian goods starting Aug. 1.