Russia’s gambit to deter support for Ukraine by restricting energy supplies flopped—thanks to concerted action by European countries.

Human-rights champions from Russia, Ukraine, and Belarus will share the prize, given not to countries but to people working to change them.

An indifferent response to a warlord’s march on Moscow heralds the dawning realization that Russia has no good way out in Ukraine.

I asked several experts to share the indicators they’re tracking most closely to determine whether Russian nuclear use in Ukraine is imminent—and to help us all separate the signal from the noise.

Shortly after invading Ukraine, Russian forces took over the site of the world’s most devastating nuclear accident. Not for the first time, Chornobyl became a strategic nightmare.

Secrets were “sitting in a … Discord server for a month, and nobody noticed.”

A grim anniversary of war in Ukraine, icicles in Mexico’s Ciudad Juárez, cherry blossoms in Japan, deadly mudslides in Brazil, and much more

Mountain-bike racing in Scotland, flooding in Northern Europe, missile strikes in Ukraine, wildfire damage in Hawaii, a rubber-duck derby in Chicago, and much more

The U.S. failed to produce weapons and ammunition fast enough to supply Ukraine. Could it equip its own armed forces in the event of war?

As the trial of those accused of destroying a passenger plane over Ukraine in 2014 concludes, the O’Briens are still mourning their son, Jack.