Biden shores up Western allies as Putin digs in on Ukraine

The flexing of alliances was a fresh indication that both sides are digging in for prolonged conflict in Ukraine with the fighting expected to intensify with the arrival of spring.

Biden says ‘unlikely’ missile that hit Poland fired from Russia

If it is confirmed that the missile came from Russia, it would be the first time since the invasion of Ukraine that a Russian weapon came down on a NATO country.

Poland says Russian-made missile struck there, killing 2

Ukraine's president says Russia fired at least 85 missiles, most of them aimed at his country's power facilities, and blacked out many cities.

9 NATO members urge support for Ukraine after annexation

Spurred into action by security concerns over Russia’s invasion, Finland and Sweden officially applied to join NATO in May using an accelerated procedure.

Senate gives near-unanimous approval to adding Sweden, Finland to NATO

Sweden and Finland applied in May, setting aside their longstanding stance of military nonalignment.

After Kyiv visit, Sen. Collins expresses support for Ukraine military aid

Maine’s senior senator says a trip led by Senate Minority Leader Mitch McConnell also was meant to signal support for Sweden and Finland’s NATO bids.

Trump’s threats to quit NATO spur Maine lawmakers to defend 70-year-old alliance

Montenegro serves as test for NATO resolve

Don't dismiss NATO's faraway members

Donald Trump's claim that NATO will boost defense spending disputed