As it seeks to replenish the huge quantity of arms being used in Ukraine, Russia has sought to retrieve crucial helicopter engines from Egypt, Brazil, Pakistan and Belarus.

While the war in Ukraine has upended the global supply of grain, a WSJ investigation in 2022 revealed how Russia has quietly institutionalized the theft of hundreds of thousands of metric tons of it...

An online army accused of sowing discord among American voters during the 2016 election emerged from a tiny corner of the Russian business empire built by Yevgeny Prigozhin, the Kremlin’s favorite...

The close Putin ally modernized Russia’s forces, but those troops have run into ferocious Ukrainian resistance.

Authorities filed criminal charges against 10 Russian soldiers accused of taking civilians hostage and mistreating them in Bucha—the first such move by prosecutors investigating possible war crimes...

Moscow spent years and billions upgrading its capabilities, only to see the armed forces fail their first major test, confounding earlier Western assessments and giving Ukraine a boost. “For now,...

Former Obama adviser Antony Blinken on Trump, Putin and Russian election interference – as told to FRONTLINE during our reporting for “Putin’s Revenge.” Read, watch and explore the full,

Kyiv’s forces in southern Ukraine are fighting to extend one of their most successful counterattacks against Russia and push beyond this small, artillery-scarred village to chip away at Moscow’s...

The Biden administration asked three Central Asian nations to temporarily house thousands of Afghans who worked with American forces and could be targeted by the Taliban as U.S. and NATO troops...

Hours after Yevgeny Prigozhin began a short-lived march on Moscow, the country’s domestic security service detained several high-ranking military officers, including Gen. Sergei Surovikin, who...

After a U.S. arms designer discovered Russian agents were searching for him, he stopped bathing and rubbed chocolate under his fingernails as part of a disguise to evade capture as he fled the...

As Moscow plans its biggest military exercise in years, its neighbor Finland is developing a subterranean city beneath Helsinki that forms a crucial line of defense for the capital.

Rudy Giuliani is escalating his push for Ukraine to conduct investigations, undeterred by federal prosecutors probing his business dealings and an impeachment inquiry into his client, President Trump.

The withdrawal is a potent acknowledgment of how Ukrainian missile and drone strikes are challenging Moscow’s hold on the peninsula.

KYIV—Ukrainians responded to President Vladimir Putin’s speech justifying Russia's annexation of four territories with a mixture of ridicule and fear. Mr. Putin’s promise to use all weapons at...

The meeting between the two leaders this week is expected to showcase unity, but a view of cities along the border reveals divisions that challenge the relationship.

Russia’s president built a power structure designed to deliver him the information he wants to hear, feeding into his miscalculations on the Ukraine war.

An online army accused of sowing discord among American voters during the 2016 election emerged from a tiny corner of the Russian business empire built by Yevgeny Prigozhin, the Kremlin’s favorite...

A failure in supplying and maintaining the troops in the field has critically hobbled Moscow’s invasion plans, according to Western intelligence assessments.

Erik Prince, a private security contractor and informal adviser to President Trump, is in discussions to purchase a Ukrainian aerospace manufacturer that the U.S. is trying to prevent China from...

It’s painful and surreal to write these words: Evan Gershkovich, a reporter for the Wall Street Journal, is being held by Russian authorities on espionage charges.

Dozens of Ukrainian civilians were killed on one four-mile stretch of road outside Kyiv during the month of March. A WSJ analysis of videos, photos and social media posts reveals how Russian forces...

Ramzan Kadyrov, once an anti-Russian rebel, now gets billions from Moscow and plays a key role in the battle for Ukraine.

The Wall Street Journal reporter should be released immediately.

Thousands of Ukrainians abroad uprooted their lives to join the fight at home. Others opted to watch the conflict from afar and now wrestle with growing hostility and their own guilt.

Bulgarian authorities said they broke up a group allegedly using old-fashioned spycraft to gather information for Moscow on the NATO military alliance, the U.S. Central Intelligence Agency and...

Kremlin spokesman Dmitry Peskov confirmed that his office received an email from the Trump Organization lawyer Michael Cohen regarding a building project in Moscow but said Russian President Vladimir...

The strikes deep inside the Russian-occupied territory have disrupted Moscow’s plans to drive further into southern Ukraine and potentially forced a rethink of its broader strategy, military analysts...

Even as the opposition leader stirs dissent, the president can count on the support of many Russians who either trust in his leadership, fear the uncertainties of political change or disapprove of...

Ukrainian forces have advanced town by town on the city in recent weeks, using long-range artillery to strike bridges and largely cut off thousands of Russian troops in and around the city.

Demonstrations over the jailing of opposition leader Alexei Navalny are threatening to escalate into a larger movement against the Kremlin, driven by frustration over living standards and shrinking...

Classic military operations and nimble battlefield decision-making are exploiting the incompetence and top-down command of Russian forces. “Without high mobility, we wouldn’t have been able to...