Long gone is the Joe Biden of February 2023, strolling confidently through the streets of Kyiv, basking in the role as champion of the Ukrainian cause in the fight against Vladimir Putin's Russia.

Sixty years ago, a crisis hotline for the first time sent a message between the world's superpowers.

Senators are urging the Biden administration to designate Russia a state sponsor of terrorism for its war against Ukraine and other bombings and poisonings done on Moscow's behalf.

Abdel Hamid al-Youssef said 25 members of his family, including his wife and infant twins, were killed when poison gas was dropped on their town in Syria in 2017, in an attack a U.N.-backed inquiry concluded was launched by the Syrian state.

Abdel Hamid al-Youssef said 25 members of his family, including his wife and infant twins, were killed when poison gas was dropped on their town in Syria in 2017, in an attack a U.N.-backed inquiry concluded was launched by the Syrian state.

The U.S. government on Friday joined European countries in slapping sanctions on Russian President Vladimir Putin and Foreign Minister Sergei Lavrov as Western nations sought to increase pressure on Moscow to halt its invasion of Ukraine.

The White House on Friday said the United States would impose sanctions on Russian President Vladimir Putin and Foreign Minister Sergei Lavrov as Washington looks to ramp up pressure on Moscow following Russia's invasion of Ukraine.

The White House on Friday said the United States would impose sanctions on Russian President Vladimir Putin and Foreign Minister Sergei Lavrov as Washington looks to ramp up pressure on Moscow following Russia's invasion of Ukraine.

For Russia, nuclear arms curbs with Biden are a 'no brainer'

Despite setbacks, Russia still leans towards Trump: analysts

Russia's top diplomat opens US talks amid impeachment

Turkish troops with American-made M60 tanks move near the village of Qirata in Syria

As tensions between the US and Russia escalate, both sides are developing technological capabilities, including artificial intelligence that could be used in conflict.

Trump took to Twitter, his preferred platform to get out his message.

The slightest concession by an American to a Russian overture has become suspicious and smells of capitulation.

There's no agenda for the two leaders' official G20 meeting -- but a lot to talk about.

Experts say it is potentially risky for an American president to go into such a consequential meeting with another world leader with so little preparation on what policy objectives he wants to pursue.

Russian President Vladimir Putin has said trust between Russia and the United States has deteriorated since President Donald Trump took office.

"I'm hopeful that we can have constructive talks with the Russian government," the U.S. secretary of state said.

Russian president Vladimir Putin regularly met with former secretary of state John Kerry when he visited Moscow.

White House press secretary Sean Spicer posted a photo Friday of a briefing after the Syrian airstrike.

The complex history of the U.S. and Russia spans nearly two and half centuries and some of history's most crucial moments.

Russian defense officials revealed a massive military buildup including a new electronic branch and more nuclear missiles among other additional weapons.

The president who may or may not have business holdings in Russia has had to dismiss numerous reports that he and his staff might be being blackmailed by the Kremlin. 

U.S. and Syrian rebel officials confirmed the CIA froze assistance to opposition forces after a massive jihadist ambush.

With a series of conflicts being waged across the globe, world peace remains as far out of reach as ever.

The Department of Defense suggested it may deploy ground troops in Syria to escalate the U.S. military campaign against the Islamic State group.

Iran's new "Battle of Persian Gulf II" movie portrays a fictional battle between Washington and Tehran, in which the Gulf nation comes out victorious.

Russian President Vladimir Putin and Israeli Prime Minister Benjamin Netanyahu may have conflicting views regarding President Donald Trump's future policy in the Middle East.

Recent evidence about President Donald Trump's National Security Adviser, Michael Flynn, may threaten the former military man's career in the White House.