Russia said it would keep informing Washington about test missile launches in order to avoid "dangerous mistakes".

The Russian president recently updated Moscow's nuclear doctrine, lowering the threshold for an unconventional strike. Putin ...

Ukrainian President Volodymyr Zelensky says he wants to work “directly” with US President-elect Donald Trump and is open to ...

A claim made by U.S. Senator Tommy Tuberville (R-AL), falsely characterizing the amount the United States military has spent ...

Newsweek has looked at the potential fallout of the U.S. using the largest nuclear weapon in its arsenal, the B-83, on ...

North Korean leader Kim Jong Un told Russian defence minister Ukraine's use of long-range weapons is the result of direct ...

The secretary's warning came as Russia and China, two of nine nuclear-armed nations, are increasingly aligned with each other ...

Republican Sen. Tommy Tuberville (R-AL) tried to take a jab at Ukraine this week, but instead ended up on the receiving end ...

Ukrainian President Volodymir Zelensky said he might be willing to cede Russian-occupied portions of Ukraine to Russia in ...

There was a cautious note of optimism among some Ukrainians for retired Gen. Keith Kellogg’s past supportive remarks for ...

Brian Hughes, a spokesman for Mr. Trump’s presidential transition team, said in a statement on Wednesday that the second ...

Ukraine’s top diplomat warned that the United States cannot afford to look weak in the face of increased threats from the ...