NATO forces went on full alert in Poland with warplanes scrambled, said the country's operational command headquarters.

Romania's armed forces have expanded their involvement in NATO's defense measures on the eastern flank by contributing ...

Power outages across Ukraine as Putin strikes its energy grid - Six regions without power as Lviv mayor says Russia ...

The Russian strikes - hitting vital energy facilities near the Ukrainian border with Poland in the coldest weeks of winter - ...

Ukrainian President Volodymyr Zelenskyy is visiting Poland after the two countries reached an agreement on a longstanding ...