Four fighter jets in the Donetsk region have been shot down by Ukrainian separatists, they say.
After more than 20 years as an independent country, Ukraine looks to join NATO. Other ex-Soviet nations already have.
Despite the president's unpopularity, the House Democrats' campaign arm is faring better at fundraising in 2014 than it did in 2010.
The move is sure to rile up Russia, which is under increasing international pressure to end its direct support of pro-Russian separatists in eastern Ukraine.
The company will cut 30 percent of its workforce in a $1.9 billion restructuring, following the twin air disasters that have damaged its brand.
The separatists say they will allow civilians and government troops who lay dow their arms to leave, following a request from Vladimir Putin.
The president says a "military solution to this problem is not going to be forthcoming.”
Russia may have broken the 20-year-old Budapest Memorandum, which protects Ukraine's integrity, and NATO could decide to react.
Falling German investment and trade with Russia is only partly to blame for the economy's recent faltering.
Russian hackers are believed to have hacked JPMorgan Chase and stolen a trove of executives' "sensitive documents."
The international community decides what to do as NATO and Ukraine provide evidence of a Russian incursion into Ukraine.
The currency switch is a protective measure for Russia, since U.S. dollars can be tracked and controlled by American officials.
Ukrainian President Petro Poroshenko has confirmed that Russia has breached its borders and hinted at a possible international response.
Russia has denied Ukraine's claims and said that it's not involved in “Ukraine hostilities.”
A video shows a convoy of tanks, which Ukraine and the U.S. claim are from Russia, moving through Luhansk.
Artillery, troops and armor attacked Ukrainian forces along the Sea of Azov, from a position locals say could only be reached from Russia.
Struggling to recover from the disasters of MH370 and MH17, Malaysia Airlines has been hit with allegations of an in-flight assault by a crew member.
With sanctions and bans affecting key sectors, the growth forecast for 2015 has been halved.
The official downsizing plan will be announced this week, but sources said routes to China and Europe would be eliminated.
The Ukrainian leader sounds a hopeful note after a summit meeting.
The meeting in Minsk started off with an icy handshake between the leaders of Russia and Ukraine.
Allen Weh is standing by his campaign ad, which has sparked outrage for including footage of James Foley's killer.