The conflict has not only pitted the regime of Syrian President Bashar Assad against a band of rebels, but drawn the U.S., Iran, Russia and Turkey, among others, into a complex proxy war.

The country's Internet regulator says Twitter has ignored its requests to remove material it considers harmful to children. The move is part of a larger effort to rein in non-Russian social media.

The two countries' space agencies say the proposal, which sets no time frame, could include an orbiting station, a base on the surface, or both.

Oil prices have risen remarkably over the last few months. Now the powerful oil cartel is keeping a lid on supply in an attempt to push crude prices even higher.

Nikol Pashinyan warned of a military takeover after the army issued a statement demanding he step down following last year's disastrous conflict over the breakaway region of Nagorno-Karabakh.

After weeks of protests and crackdowns, allies of the opposition figure Alexei Navalny urged Russians to hold up their phones outside for spans of 15 minutes.

The president hasn't yet signed up but 2.2 million Russians have been vaccinated, countries are signing up for doses — and our Moscow reporter rolled up his sleeve.

President Biden has a long to-do list when it comes to cybersecurity. He has to deal with a major cyber breach still under investigation, and there's a running debate over online conspiracy campaigns.

NPR's Scott Simon remarks on the sentencing this week of Russian opposition leader Alexei Navalny. The Putin critic was poisoned last year, recovered in Germany, then arrested for violating parole.

Russia's Foreign Ministry says it is expelling diplomats from Sweden, Poland and Germany, alleging they participated in illegal Jan. 23 protests.

President Biden's remarks Thursday come as Russia has detained opposition leader Alexei Navalny and the Myanmar military staged a coup.

For the second weekend in a row, people across Russia cried out for the release of the jailed Kremlin critic and opposition leader. And again they were met by a massive show of force.

The two countries are vying for a role in ending the pandemic by offering their vaccines to countries that can't afford or obtain other vaccines. But vaccine experts have a few concerns.

Russian authorities warned of mass arrests as demonstrators marched in open defiance of the Kremlin and called on President Vladimir Putin to free the jailed opposition leader.

Russian authorities detained the country's top opposition leader after he landed in Moscow on a flight from Berlin. Navalny had been gone nearly five months since he was poisoned last August.