Mercenaries are outlawed under international law. But Russia has misused the label to deny foreign fighters their protections ...

But the two sides failed to broker a temporary cease-fire or a meeting between their two leaders, a sign of how far apart ...

KYIV, Ukraine — Ukrainian President Volodymyr Zelenskyy met with top U.S. officials and European leaders in Rome on Sunday, part of stepped-up diplomatic efforts ahead of a high-stakes phone call ...

The high-value Russian asset was hit during a combat patrol over Ukrainian territory, said Kyiv's Special Operations Forces.

Russian and Ukrainian negotiators met in Istanbul under pressure from President Donald Trump to end Europe's deadliest ...