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

Bipartisan groups in Congress are attempting to preserve a weapons procurement program for Ukraine that the Trump administration proposed eliminating.

Top diplomat confirms US will hit Moscow’s lifelines if peace evades new, earlier deadline Trump set after “clear frustration ...

The deal with Mexico amounted to Trump backing off his previous vow that there would be no extensions to trade talks beyond ...