Marco Rubio serving as both Secretary of State and national security adviser could be "ultimately disadvantageous" to President Trump, says former adviser John Bolton.

Ukraine wants to hold another meeting of national security advisors with the participation of the United States, Britain, ...

The U.S. and Ukraine have signed a deal granting Washington access to Ukraine's critical minerals, aiming to bolster ...

After months of tense negotiations, the U.S. and Ukraine signed a deal that is expected to give Washington access to the ...

When President Donald J. Trump took the oath of office for the second time, he promised that the moment marked not only the ...

The U.S. and Ukraine have signed an agreement that will give the U.S. access to Ukraine's vast critical mineral resources.

U.S. Secretary of State Marco Rubio warns that the United States will withdraw from mediating the Ukraine war unless Russia ...

Ukraine and Russia targeted each other with long-range strikes, officials said Monday, amid continuing uncertainty about ...

The clock is ticking for mediators to make progress in peace talks between Russia and Ukraine to find a deal after Secretary ...

The Trump administration was reportedly considering lifting energy sanctions on Russia last week as part of discussions to ...

The Trump administration is urging Russia and Ukraine to finalize a deal this week, calling on both sides to "finish it off" ...

Secretary of State Marco Rubio said the U.S. would consider in the coming week whether to continue mediating talks "or if ...