IT’s a next generation combat jet of many names. It was the PAK FA. It was the T-50. Now it’s the Su-57. It’s Russia’s answer to the United States’ cutting-edge F-22 “Raptor” stealth fighter. Now, more than 15 years after the F-22 entered service, Russia is...

Russia has sent its most advanced fighter jet to Syria, a US military official tells CNN. It's a deployment that could potentially increase the level of danger to US forces operating inside the country. The Su-57 is Moscow's most sophisticated military jet and comes equipped with...

Saying there are "no words" to describe a horror is infuriating. But now not saying anything has become the new way to talk about the world's nastiest war. It is essentially the job of the United Nations to find the words -- to articulate the savagery being again unleashed on the people...

At least 106 civilians were killed Tuesday in relentless bombardment on besieged Eastern Ghouta suburbs, a monitor said, the second straight day the death toll topped 100 civilians. The Syrian Observatory for Human Rights said more than a dozen children were among the dead....