Russian President Vladimir Putin issued explicit nuclear threats to the West, even as he assured Russians their country could both win the war in Ukraine and thrive economically.
President Biden has announced more than 500 new sanctions over Russia's war in Ukraine and the death of Russian opposition leader Alexei Navalny.
The invasion of Ukraine hampered collaboration with Russian climate scientists. That's bad news for our collective ability to understand, and prepare for, a hotter planet.
Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.
In a summit in Russia, President Vladimir Putin and North Korean leader Kim Jong Un showed how geopolitical tensions have brought the two neighbors isolated by the West into closer alignment.
Russia has occupied the massive Zaporizhzhia nuclear power plant, which sits roughly 50 miles from the front lines. Ukraine's other reactors are also operating in a volatile war zone.
Havana says it is dismantling a network that seeks to recruit Cubans as mercenaries to fight in Russia's war against Ukraine.
Wagner Group head Yevgeny Prigozhin died in a plane crash last week. Many Russians are mourning — and speculating about the crash.
Andrii Pilshchykov, known as "Juice," died in a training flight Friday. He was a veteran of early combat missions during Russia's invasion and later advocated for Western countries to donate F-16s.
The U.S. Marine veteran was freed from Russian prison in a prisoner swap last year. Now he has sustained an injury while fighting in Ukraine, the State Department said.