The information has included satellite imagery showing the locations of military personnel. But some officials played down the significance of the partnership.

It's the first indication that Moscow has sought to get involved in the war that the U.S. and Israel launched on Iran a week ago.

Ukraine spoke to the United States about the possibility of postponing the next round of trilateral talks with Russia "for a while" and ​changing the location due to the spiraling Iran conflict, ...

Iranian Supreme Leader Ayatollah Ali Khamenei was killed in a major attack on Iran launched by Israel and the United States, ...

The U.S. Treasury is moving to cut a small Swiss bank off from the U.S. financial system over alleged illicit ties to Iran ...

US and Ukrainian officials were set to meet in Geneva on Thursday for fresh talks, hours after Russia launched a fresh ...

A Ukrainian delegation will meet with U.S. President Donald Trump's envoys in the run-up to another round of trilateral talks ...

Hillary Clinton is testifying in a congressional investigation into convicted sex offender Jeffrey Epstein. We’re also tracking Trump administration talks with Iran and Ukraine. Follow for live ...

Iran is pushing back against U.S. President Donald Trump’s pressure tactics ahead of critical talks in Geneva over Tehran’s ...

Ukraine’s President Volodymyr Zelenskyy said he spoke with United States President Donald Trump about ongoing peace negotiations with Russia, which he expects to soon progress into a leaders-level ...

US President Donald Trump and Ukrainian President Volodymyr Zelenskyy spoke by phone on February 25, a high-stakes conversation confirmed by both the White House and Kyiv as diplomatic efforts ...

US President Donald Trump spoke with his Ukrainian counterpart Volodymyr Zelensky ahead of a fresh round of talks Thursday ...