Away from the grueling land battles and devastating airstrikes, the Ukraine war has from its outset had a naval element. Soon ...

Ukraine and Russia accused one another on Wednesday of flouting a truce on energy strikes brokered by the United States, and ...

The White House said Tuesday it had reached agreements with Russia and Ukraine for a truce over the Black Sea, but the deal's ...

When the U.S. said it had reached an agreement to eliminate the use of force in the Black Sea, it looked like a breakthrough.

It remains unclear if the commitments to stop attacks and ensure safe shipping in the Black Sea, which came with many caveats ...