Russia's Defense Ministry says it plans to hold drills simulating the use of battlefield nuclear weapons

Germany has recalled its ambassador to Russia for a week of consultations in Berlin following an alleged hacker attack on Chancellor Olaf Scholz’s party

Russia has launched a barrage of drones on eastern Ukraine and claimed its troops took control of a village they had been targeting as Ukraine marks its third Easter at war

Just a few months short of a quarter-century as Russia’s leader, Vladimir Putin starts another six-year term as president holding extraordinary power

Russian state media say Moscow has put Ukrainian President Volodymyr Zelenskyy on its wanted list, citing the interior ministry's database

From its earliest days, the Soviet Union’s intelligence services — whether known as the Cheka or the names of any of its successor agencies like the KGB — kept the government in power by pursuing its opponents no matter where they lived

WNBA star Brittney Griner shares her story for the first time about her harrowing months-long detention in Russia in an exclusive interview with ABC News.

The United States has imposed new sanctions on hundreds of companies and people tied to Russia’s weapons development program, as well as more than a dozen Chinese entities accused of helping Moscow find workarounds to earlier penalties

A 98-year-old woman in Ukraine has escaped Russian-occupied territory by walking almost 10 kilometers, or 6 miles, alone, wearing a pair of slippers and supported by a cane

WNBA star Brittney Griner reflected on learning she was going to be released from Russian prison and voiced her support for bringing other Americans home.

Jareh Dalke pleaded to six counts of attempting to transmit national defense information to a foreign government

U.S. intelligence officials have determined that Russian President Vladimir Putin likely didn’t order the death of imprisoned opposition leader Alexei Navalny in February

WNBA star Brittney Griner, who was opened up for the first time about her harrowing experience in a Russian prison in an exclusive interview that will air on “20/20."

Russian officials say a group of militants has attacked a police checkpoint in Russia’s North Caucasus region, killing two officers

Two Russian journalists were arrested by their government on “extremism” charges and ordered by courts there to remain in custody pending investigation and trial on accusations of working for a group founded by the late Russian opposition politician Al...

German police say two Ukrainian men have been stabbed to death and a Russian man has been arrested by authorities as a possible suspect in the killings

A Moscow court has detained another suspect as an accomplice in the attack by gunmen on a suburban Moscow concert hall that killed 144 people in March, the Moscow City Courts Telegram channel said Saturday

Russia has launched a barrage of missiles against Ukraine directed at energy facilities

A journalist for the Russian edition of Forbes magazine has been detained on charges of spreading false information about the Russian military

The U.S. secretly gave Ukraine ATACMS, long range missiles that can reach deep into Russian-held areas, and U.S. officials say Ukraine used them over the last week

Wall Street Journal reporter Evan Gershkowivch’s latest appeal was denied and his pre-trial detention remains in place through June 30.

An independent Russian news site has reported that a court in Russia convicted the spokesperson of U.S. technology company Meta, which owns Facebook and Instagram, of justifying terrorism and sentenced him to six years in prison in absentia

For the second time in a week, a Russian strike has killed and wounded dozens of civilians, as missiles hit around key of Dnipro.

A Polish man was arrested for allegedly spying for the Russian government as part of a potential assassination attempt against Ukrainian President Volodymyr Zelenskyy.

Russian missiles and drones struck Kyiv's largest power plant last night and damaged other plants across the country.

Russia has destroyed 80% of Ukraine's thermal power plants in recent attacks, according to Ukrainian Prime Minister Denys Shmyhal.

Western reporters have largely had to watch and hear the incomprehensible level of suffering from a distance.

ISIS has claimed responsibility for the attack in Moscow that killed at least 144.

Francis, 87, had skipped a Good Friday ceremony so that he'd be able to attend the Sunday Mass, the Vatican press office said in a statement on Friday.

ABC News’ Martha Raddatz interviews former CENTCOM Commander Gen. Frank McKenzie on “This Week.”

ABC News’ Martha Raddatz interviews Metropolitan Archbishop Borys Gudziak of the Ukrainian Catholic Church on “This Week.”

ISIS has a "strong desire" to attack the U.S. and other foreign powers -- a threat that is only growing -- retired Gen. Frank McKenzie warned on Sunday

Friday marks a year since Russia arrested Evan Gershkovich, the Wall Street Journal reporter held on fabricated spying charges.

Shelby Holliday, senior video correspondent for The Wall Street Journal, talks about the campaign to get her colleague Evan Gershkovich, being held on espionage charges, freed from Russian detention.

Gershkovich is being held on spying charges the U.S. denounced as false.

President Joe Biden and top lawmakers are condemning Russia's wrongful detention of journalist Evan Gershkovich and reiterating their commitment to bringing him home.

Evan Gershkovich was arrested in March 2023 and accused of "acting on the instructions of the American side" and collecting state secrets about the military.

The Wall Street Journal reporter appeared in a court to appeal his jail sentence, but the court ordered him to remain behind bars until June 30.

Two of the suspects have reportedly pleaded guilty after Friday's terror attack at a Moscow concert venue that has left over 130 people dead.

Russian President Vladimir Putin has cast doubt over whether ISIS acted alone in Friday’s deadly attack. Martha Raddatz says the U.S. is confident Ukraine had no involvement.

This week marks one year since Wall Street Journal reporter Evan Gershkovich was arrested in Russia on espionage charges while on a reporting trip, but his parents say they are still “optimistic.”

ABC News’ Martha Raddatz reports on ISIS claiming responsibility for one of Russia’s deadliest attacks in decades.

This week marks one year since Wall Street Journal reporter Evan Gershkovich was arrested on espionage charges in Russia while on a reporting trip.

Putin claimed that following the terrorist attack the suspects headed towards the Ukrainian border, a claim for which neither Putin nor the Kremlin provided evidence.

"Nothing was passed," Ambassador to the United States Anatoly Antonov told Russian state media.

On Sunday, Russia held a national day of mourning in memory of the lives lost in Friday’s concert hall attack.

The parents of WSJ reporter Evan Gershkovich spoke exclusively to George Stephanopoulos on the first anniversary of their son's detainment.

ABC News’ Martha Raddatz breaks down the latest in the Moscow concert hall attack on “This Week.”

Gunmen opened fire in Crocus City Hall Friday, killing and injuring hundreds.

Russia is observing a day of mourning for the victims after a concert hall terror attack left more than 130 dead. Russian President Vladimir Putin vows retribution as the search for survivors begins.