Putin knows that the West will not fight for Ukraine because it is not a NATO ally, so traditional military deterrence will not work.

A bad idea comes around again.

If the United States does nothing, the coming seasons will be even bleaker—and not just in Kyiv.

The flaw in hawkish claims about Syria and Ukraine. 

The Watergate journalist has taken a lot of hits—including from me. In his new Biden chronicle, War, he’s at his best.

In the Donetsk People’s Republic, Russia is everywhere, from the mailboxes to the license plates. Ukraine is nowhere.

The first day of impeachment hearings showed Trump’s improper bullying of Ukraine setting off alarms throughout the government.

The opposition now controls Kiev, but the fight for Ukraine's future is far from over.

Images from the past month, showing scenes from Kyiv, Kharkiv, Mariupol, Lviv, the Donbas region, and more

Vladimir Putin’s invasion of Ukraine means that the post–Cold War era may have just ended.