The 1986 explosion at the plant was a turning point for independence in Ukraine. Now Russia is threatening to make the country relive that trauma.

The country has been attacked the past two years in December. A new strike could have major implications for cybersecurity in the U.S.

After Russia’s invasion, many post-Soviet immigrants in the U.S. are estranged from or barely speaking with longtime friends back home.

Mike Pompeo’s dig about not finding Ukraine on a map undermines his credibility.

War hawks claim America's policies abroad will embolden enemies and undermine allies. They're wrong.

In fact, we've pushed U.S. power further east than anyone could have imagined when the Soviet Union collapsed.

Wars are won by deeds—but also by persuasive moral arguments.

Pavel Sheremet, a prominent reporter, was targeted Wednesday by a car bomb.

The head of the Luhansk People's Republic has called for an old-fashioned solution to resolve his differences with Kiev.

One can trace a straight line from the overthrow of Libya’s dictator Muammar Gaddafi to today’s devastating war in Ukraine.