President Trump has given an ultimatum to President Vladimir V. Putin of Russia to end the war in Ukraine or face U.S.

The coming week could be pivotal in the ongoing war between Russia and Ukraine. U.S. President Donald Trump’s special envoy, ...

The coming week could bring an important moment in the war between Russia and Ukraine, as US president Donald Trump’s ...

Kremlin spokesman Dmitry Peskov said Moscow did not view Mr Trump's statement as an escalation in nuclear tension.

But a day before the forum began, the officers’ staff got calls from the Pentagon telling them to stay away. On social media, ...

After an ultimatum from US President Donald Trump, the Kremlin responded with threats and referenced the Soviet-era nuclear ...

From war in Ukraine to growing uncertainty over long-term US military presence in Europe, shifting dynamics are drawing ...

A craving for international prestige, a decade-long Obama rivalry and perhaps a dash of provocation: a mercurial melange of ...