A U.N.-backed investigation has found that Russian attacks against civilians in Ukraine, including systematic torture and killing in occupied regions, amount to war crimes and possibly crimes against humanity

The U.S. military released declassified footage showing the moment a Russian fighter collided with an American drone.

He said the Pentagon is working to declassify images of the interception.

Russian fighter forces down U.S. drone close to Ukraine over Black Sea, U.S. calls incident "dangerous" and warns could lead to "unintended escalation"

Over 80 missiles hit 11 regions in Ukraine leaving at least nine dead and thousands without power.

A nuclear plant has reportedly been damaged amid an overnight wave of Russian missile strikes aimed at several cities across Ukraine. ABC News’ Lindsay Watts reports.

Viktor Bout, a former Russian arms dealer who was released from a U.S. prison in a swap for WNBA star Brittney Griner in December, has unveiled an exhibition of his artworks in Moscow

A court in Moscow has sentenced a student activist to 8 1/2 years in prison for social media posts criticizing Russia’s war in Ukraine

The Russian president has emphasized that Moscow was not withdrawing altogether.

Russian President Vladimir Putin has bestowed a state decoration on Steven Seagal, the American action-movie actor who also holds Russian citizenship

Gleb Pavlovsky, a Soviet-era dissident who served as a Kremlin political consultant helping burnish President Vladimir Putin’s image, has died

The European Union is imposing new sanctions on Russia over its invasion of Ukraine

David Muir sits down with President Joe Biden to discuss the anniversary of the war in Ukraine, the toxic derailment in Ohio and his plans for 2024.

Retired Lt. Gen. Douglas Lute breaks down the latest jockeying between President Joe Biden and Russian President Vladimir Putin as the war in Ukraine nears the one-year mark.

Meanwhile, President Biden is calling Putin’s temporary suspension of the nuclear arms treaty “a big mistake.”

The Russian leader is vowing to strengthen his nuclear program ahead of the one-year anniversary of the invasion of Ukraine. ABC News’ Em Nguyen reports.

Russia’s reintegration into the world of sports one year after the invasion of Ukraine began threatens to create the biggest rift in the Olympic movement since the Cold War

Vladimir Putin could meet with the Chinese Communist Party foreign policy chief.

Biden administration officials shared some of the details behind the president's unannounced trip to Kyiv, Ukraine, ahead of the anniversary of Russia's invasion

Russian pranksters posing as Ukraine’s ex-President Petro Poroshenko managed to contact Angela Merkel by phone to discuss developments in Ukraine and Belarus, although the former German chancellor appeared wary during the call

Russian President Vladimir Putin is hosting neighboring ally Belarus’ leader for talks on expanding military and economic cooperation amid the fighting in Ukraine

Russia, China and South Africa are set to begin naval drills off South Africa’s Indian Ocean coast in a demonstration of the countries’ close ties amid Russia’s war in Ukraine

A former security guard at the British Embassy in Berlin has been sentenced to more than 13 years in prison for putting U.K. diplomats at “maximum risk” by selling secret information to Russia

Sens. Richard Blumenthal, Lindsey Graham and Sheldon Whitehouse want to designate the Russian-based Wagner Group a foreign terrorist organization.

Medvedev fled Russia to Norway and started speaking out against Wagner, describing what he said were war crimes committed by the group

Norway's intelligence serivce says Russia is the main security threat for Norway and Europe

The criminal case against former FBI agent Charles McGonigal will include classified information.

A senior Russian diplomat says that Russia-U.S. relations are in a state of “unprecedented crisis” without any sign of improvement

Myanmar’s military-led government, working with Russia’s state atomic energy company, has inaugurated a nuclear power information center as a step toward developing atomic power to fill energy shortages in the strife-torn Southeast Asian nation

Paris Mayor Anne Hidalgo says no Russian team should be allowed to compete at the Paris Olympics next year if Moscow continues its war against Ukraine

Russia’s finance ministry says budget revenue in January was 35% lower compared with the same month in 2022

U.S. Treasury Secretary Janet Yellen says industrialized countries in the Group of Seven are imposing a price cap on refined Russian oil products such as diesel and kerosene, as part of a coalition that includes Australia and a tentative agreement from...

European Union officials say the bloc will unveil its 10th package of sanctions against Russia on Feb. 24 to mark the anniversary of Moscow’s full-scale invasion of Ukraine

NATO is calling on Russia to respect the only treaty it has with the United States to keep a lid on nuclear weapons expansion

The Biden administration is faulting Russia for failing to allow on-the-ground nuclear inspections, accusing Moscow of endangering arms control efforts

New U.S. ambassador to Moscow Lynne Tracy arrived last week amid high tensions.

The German official used a leopard emoji in jab at the Russian foreign minister.

The U.S. Coast Guard said it is tracking a suspected Russian spy ship in international waters near Hawaii.

ABC News analyst Mick Mulroy discusses Ukraine President Volodymyr Zelenskyy’s comments on retaking control of Crimea as the U.S. Coast Guard monitors a suspected Russian intelligence ship off Hawaii.

The court would judge on any war crime of aggression by Russia in Ukraine.

Ukrainian officials, however, say as many as 400 Russian troops were killed in the Russian-controlled Donetsk region. This would be the deadliest attack on Russian troops since the war started.

Russian President Vladimir Putin’s New Year’s address to the nation usually is rather anodyne and backed with a soothing view of a snowy Kremlin

The United Nations chief has expressed strong hopes that the Ukraine war will end in 2023

The British prime minister says the West should work to degrade “Russia’s capability to regroup” as it continues its war of aggression in Ukraine

The Kremlin warned the West that Russian has an arsenal of nuclear missiles at its disposal.

Hungary, Romania, Georgia and Azerbaijan leaders have finalized an agreement.

Russia is reportedly trying to obtain hundreds of missiles from Iran in exchange for an unprecedented level of military and technical support.

After the WNBA star was released from Russia in a prisoner swap for arms dealer Viktor Bout, "The View" co-hosts discuss how this move impacts fellow American Paul Whelan.

Convicted arms dealer Viktor Bout has been swapped by the U.S. for American WNBA player Brittney Griner who was detained in Russia earlier this year.

Federal prosecutors announced charges against Andrii Derkach, labeled by the U.S. as a Russian agent and who allegedly sought to influence the 2020 presidential election.