Greg Myre

In Ukraine, a major dam has been breached, threatening towns and cities in the country's south with floods. Russia and Ukraine are blaming each other for the destruction.

A major dam near a nuclear power plant in southern Ukraine has suddenly collapsed. The risk of flooding would pose a threat to the nuclear plant which is occupied by Russian troops.

The surging water from the Kakhovka dam is likely to cause widespread flooding and poses an additional risk to an already troubled nuclear plant. Russia says Ukraine is to blame.

When Russia's Vladimir Putin invaded Ukraine, he clamped down on the media. In his new book, author Alan Philps sees parallels to Soviet dictator Josef Stalin who confined reporters in World War II.

A decade ago, we were still exploring the technological wonders of cellphones and other electronic devices. Few were thinking about how they could be used to monitor us. Then came Edward Snowden.

For well over a year, Russia has carried out airstrikes across Ukraine. Now Russia finds itself on the receiving end, including drones that hit apartment buildings in Moscow.

Most major military operations are shrouded in secrecy. Ukraine's planned offensive against Russia has been under public debate for months. This has created expectations. Some realistic, some not.

Why is Sudan so prone to civil war? The country has suffered from internal conflict for well over half of its 67 years of independence. Two generals are threatening to unleash another civil war.

Sudan has suffered three internal wars spanning more than 40 years of its 67 years as a nation. Two rival generals are now battling in the capital Khartoum, raising fears of another ruinous conflict.

The Kremlin, the home and office of the Russian leader in the center of Moscow, was hit by a pair of drones. But who did it and how? That's the subject of a fierce debate between Russia and Ukraine.

Two generals are currently battling for control of Sudan's capital Khartoum. In the early 2000s, both played key roles in the government's brutal crackdown in Darfur, which was ruled a genocide.

The two generals waging a bloody power struggle in Sudan actually have a long history of working together. Both were key figures in the brutal military crackdown in Darfur in the early 2000s.

The case against 21-year-old Air National Guardsman Jack Teixeira raises questions about why he had access to sensitive material. He's scheduled to appear in court Wednesday.

Hear more context on the U.S. intelligence leaks and about previous ones from NPR national security correspondent Greg Myre.

Washington and Moscow have worked out prisoner swaps for decades, though they used to involve spies. Today, an increasing number of private American citizens are being jailed by Russia.

Many questions still remain about a data leak of classified documents related to the war in Ukraine and intelligence from other nations.

Dozens of classified U.S. documents detailing the war in Ukraine have appeared on multiple social media sites. There's no word on who might be responsible for leaking or stealing the material.

Maps and charts providing details on Ukraine's military and the state of the war have been published on Twitter and Telegram. The Pentagon says it is investigating how they were leaked or stolen.

There's lots of talk about China supplying weapons to Russia for its war in Ukraine. But one Chinese product already plays a key battlefield role - a cheap, popular, off-the-shelf, commercial drone.

The top U.S. and Russian defense officials spoke by phone, a rare occurrence during the past year of war in Ukraine. The aim was to bring down tensions after a U.S. drone crashed in the Black Sea.