Dmitry Medvedev referenced a rumored Soviet-era nuclear weapon system during an online disagreement with President Trump.

The Trump administration wants to provide the U.S.'s flagship development agency more leeway to finance projects in ...

U.S. President Donald Trump is set to meet with British Prime Minister Keir Starmer in Scotland on Monday, when they will ...

Trump has urged Russia to stop its attacks in Ukraine by the end of next week, or be ready to face harsher economic penalties ...

The US president doesn’t appear to have sufficient leverage or an experienced enough team to solve the more complex conflicts ...

President Donald Trump on Monday laid out a pair of steps intended to pressure Russia to end its war in Ukraine, including ...

Russian state TV took aim at Melania Trump, saying she is responsible for her husband's apparently tougher stance toward ...

Though endlessly critical of his predecessor, President Trump has adopted a Ukraine strategy similar to that of former ...

In response, 65 percent of Trump voters backed the provision of arms to Ukraine, almost three times the 22 percent who ...

After European leaders stepped up military spending, President Trump aligned himself more closely with them on the war. But his tariff threats have left bruises.

Readers respond to the president’s latest turn in the war. Also: President Trump and Rosie O’Donnell; New Yorkers’ health; ...

U.S. President Donald Trump said on Tuesday that the United States would start imposing tariffs and other measures on Russia ...