Ukraine has withstood and repelled the mighty Russian military through Western support, Russian blundering, and its own resourcefulness. However, the circumstances could be changing.

Russia’s moves to mobilize thousands more troops and to annex more of Ukraine’s territory signal a new, potentially more dangerous phase of the war.

The challenge to Russia’s military and leadership from the mercenary Wagner Group marks a setback to Putin’s stature and possibly the Ukraine war effort.

It’s been almost a year since the first COVID-19 vaccines were approved, and half of the world is at least partly vaccinated. Now, the emergence of the omicron variant is underscoring the risks of un…

The meeting of Russian President Vladimir Putin and Chinese leader Xi Jinping in Moscow helped both give the impression of a united front, but underlying tensions were also discernible.