The U.S. has been sending military aid to Ukraine to help its forces battle Russian-backed separatists in the east of the country.
Ukraine's president called for officials to draft an formal claim, as recent estimates from Kiev suggest the bill could exceed $50 billion.
Since Russia's annexation of Crimea in 2014, the question of where Ukrainians go to worship has become a political issue.
The U.S. State Department demanded an end to the hostilities as the conflict entered its fifth year.
Military officer Oleg Ivannikov's unusual voice helped investigators pinpoint him as a key suspect.
The families of the dead have published an emotional open letter.
The Javelin missiles are deemed so effective that intention to sell or deploy them has long warranted a big political announcement.
Russia is reinforcing its forces in Crimea by dispatching more S-400 surface to air missiles there.
How much does China own in US Treasury bonds? And does it matter?
Ukraine's future is no longer a binary struggle between a pro-Western and a pro-Russian future. Now, China's in the mix.
Chinese Army aircraft may approach Taiwan under the guise of commercial airliners.
Ukraine's security service has brought criminal charges against leading reform groups.
Three important things to know about China's burgeoning military policy.
Does Trump have the necessary perseverance and thoroughness to challenge Xi?
U.S. military forces in Europe are busily repainting their desert tan equipment in forest green.
The EU cannot afford to become indifferent to threats to the rule of law among its members.
China may ultimately prefer Ukraine to be in Russia's orbit rather than the West's.
The 1.6 million who have been displaced are being badly treated by Ukraine.
It is the second time the Roshen store has been targeted in protest against Petro Poroshenko.
It's disheartening to see law enforcement agencies more concerned with lining their pockets than fighting corruption.
The USSR was a colonial power from the moment its troops first crossed into Ukraine.