A Russian state-owned energy firm has proposed to develop Crimea's oil and gas sector, which includes a Ukrainian-owned company.
Reporter Avedis Hadjian talks to Ukrainians on the streets of Kiev, in the tent villages of Maidan Square and in pro-Russian enclaves in Crimea.
This is not the first time that Putin's close aide and envoy on missile defense makes a controversial comment.
Will Russia's Baltic naval base at Kaliningrad be Putin's next move? And is Russia prepared for the West's response?
There are significant shale natural gas reserves on the continent.
This will also be new Fed Chair Janet Yellen's first, post-meeting news conference.
More than 93 percent of Crimeans on Monday voted to split from Ukraine and join Russia.
The Russian president looks ready to annex Crimea as soon as Tuesday.
While NATO beefs up its response to Russia after Crimea's vote to join the nation, Moscow also announces plans to deploy fighter jets to Belarus.
How protesters are communicating in Venezuela and Ukraine, from smartphone apps to analog walkie-talkies.
Sunday, 97% of Crimeans voted to succeed from Ukraine and join Russia. What were their views in 2013?
Just after Crimea voted to secede from Ukraine, the chamber's website was hacked and shutdown.
An executive order by President Obama has targeted key advisers to President Putin.
Despite a lower close on Friday owing to concerns in Ukraine, Monday seems set for a solid start.
A Kremlin-backed journalist went on national TV and said Russia is the only country ready to turn the U.S. into radioactive ash.
With over half the votes counted, 95.5 percent had chosen the option of annexation by Moscow.
Kiev and the West call that scenario "illegitimate."
Latest attack comes after a killing in Donetsk; 2,000 pro-Russian protesters attack a pro-Ukraine group.
Almost 165 years after the first Crimean War, a new conflict could occur on the Black Sea peninsula. What would it look like if it happened?
The EU and the US have threatened to impose visa bans on at least 13 prominent Russian politicians and businessmen.
Their equity portfolios shrank as Russia's benchmark index plunged due to escalating tensions between Russia and Ukraine.
Following Thursday's fall, which was triggered by concerns about China, Friday adds the Ukraine crisis back into the mix.