Russia on Wednesday warned the U.S. to stop what it said was a “spiral of escalation” over Ukraine as Washington moves to ...

NATO Secretary-General Mark Rutte said on Wednesday that Ukraine is not in a strong enough position to begin negotiating an ...

President-elect Donald Trump has nominated Keith Kellogg, a former national security adviser and retired lieutenant general ...

Three experts spoke to Newsweek about the possibility of Moscow firing nuclear weapons into Ukraine as tensions escalate.

President-elect Trump on Wednesday announced his appointment of Keith Kellogg, a retired lieutenant general who served as ...

President-elect Donald Trump will nominate Gen. Keith Kellogg to serve as assistant to the president and special envoy for ...

President-elect Donald Trump on Wednesday said he will nominate retired General Keith Kellogg to serve as Assistant to the ...

Donald Trump nominated retired General Keith Kellogg as his special envoy for Ukraine and Russia, choosing a longtime adviser ...

The Kremlin fired a new intermediate-range ballistic missile at Ukraine on Thursday in response to Kyiv's use this week of ...

Russia launched a new non-nuclear ballistic missile with medium range on Ukraine’s Dnipro region on Thursday, Russia’s ...

U.S. officials told NBC News that the weapon fired by Moscow at the eastern Ukrainian city of Dnipro was an experimental ...

Russian President Vladimir Putin said Thursday Russia hit a Ukrainian aerospace plant with an experimental hypersonic missile ...