Trump’s trade tariffs are impacting the US and the global economy.

White House press secretary Karoline Leavitt said that the Trump trade team is working on contingency plans should the high court rule against him.

President Donald Trump calls the Supreme Court case on his tariffs a matter of "life or death" for the United States.

The Supreme Court considering Trump's tariffs marks the first major test of his agressive assertion of presidential powers before the high court.

The Supreme Court on Wednesday heard arguments in a lawsuit challenging whether President Donald Trump has the authority to levy tariffs.

Trump has called the case one of the most important in the country’s history.

Trump's administration is trying to defend his tariffs after lower courts ruled that he had exceeded his authority.

Hearing the case challenging the legality of the tariffs imposed by the US president, the judges expressed sharp criticism of the government's trade policies.

The fate of the US president’s signature, globe-rattling economic policy is in the hands of a court he shaped

Trump’s trade tariffs are impacting the US and the global economy.