Ukraine's army is much smaller than Russia's, but war would still be costly for Moscow.
Images of some of the difficult work done by Ukrainian firefighters during a time of war
The fault lines in Russian society have foretold yesterday’s atrocity for literally centuries.
A response to the Boistö Group's 24-step agenda for resolving the crisis
The alliance suspended formal cooperation with Moscow after its 2014 intervention in Ukraine.
Meeting in Finland, a group of Americans and Russians develops an agenda for peace.
An audience with the former Republican leader
One expert thinks the country would be better off if it were partitioned.
A look at the grim scenarios—and the U.S. playbook for each
The intelligence community watches as Trump shakes up the world order.