Islamist groups including al Qaeda's Nusra Front have seized the city of Idlib for the first time in Syria's civil war, fighters and a monitoring group said on Saturday.» Read More
USAF Lt. Col. Matt Renbarger has been testing out the new F-35, which should be the backbone of air defenses by 2039.
President Vladimir Putin flew in to Crimea on Friday for parades marking the Soviet victory in World War Two.
Pro-Moscow separatists in eastern Ukraine ignored a public call by Russian President Vladimir Putin to postpone a referendum.
If Russia were to invade Ukraine, the numbers indicate a one-sided affair. But the numbers don't tell the whole story.
US secretary of state John Kerry has threatened Russia with further sanctions unless the country stopped backing separatists in eastern Ukraine. The FT reports.
European military observers held captive in Slaviansk in eastern Ukraine were released on Saturday, the town's pro-Russian separatist leader said, characterising the move as voluntary and made to coincide with his birthday.
At least 30 people were killed in southern Ukraine on Friday when clashes between pro-Kiev and pro-Russia protesters spread from the east of the country. The FT reports.
Pro-Russian rebels shot down two Ukrainian helicopters on Friday, killing two crew, as troops tightened their siege of separatist-held Slaviansk.
A prominent think tank advisor says it's going to take more than just the current sanctions to deter Russia's aggression against Ukraine.
Russia "wants to start World War III" and Moscow's veiled threats of military action could start an armed conflict in Europe, Ukraine's prime minister said.
The AP and Reuters is reporting heavy gunfire at an airport in Eastern Ukraine. CNBC's Michelle Caruso-Cabrera reports how it is affecting the U.S. stock market.
U.N. Security Council has called an emergency meeting at Russia's request to discuss the growing crisis
Discussing Putin's logic and what's behind today's buildup of Russian troops outside the borders of Ukraine, with Heather Conley, Center for Strategic and International Studies director, and Reva Bhalla, Stratfor VP global analysis.
CNBC's Eamon Javers reports Russian troops may be amassing outside the border of Ukraine.
Former President of the World Bank, Robert Zoellick discusses if U.S. sanctions against Russia are really hurting Vladimir Putin and if it's enough to keep him from escalating the crisis in Ukraine.
Adam Ereli, Vice Chairman, Washington D.C. at Mercury, explains why he isn't very optimistic about diplomatic solutions in the Russia-Ukraine standoff.
CNBC's Eamon Javers discusses who will be affected by the sanctions President Obama placed on Russia.
U.S. Navy SEALs boarded and took command of an oil tanker that was seized by three armed men at a Libyan port, reports CNBC's Michelle Caruso-Cabrera.
Ukraine would rather have a diplomatic solution to the crisis with Russia but will defend itself if provoked further, says Arseniy Yatsenyuk, Ukrainian prime minister.
CNBC's Eamon Javers reacts to President Obama's move to authorize a "very tough" set of sanctions on Russia.