Putin attacks Ukraine port after Moscow accused of lying over Black Sea ceasefire - Trump said Putin appeared to be dragging ...

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

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.

Subglacial water in Antarctica reshapes sea level rise predictions and reveals ancient drainage flow patterns.

Greenlanders Are Angry and Confused Over Unwanted U.S. Visit ...