Starting by targeting software in Ukraine, the ransomware NotPetya spread internationally, and the British government thinks the Russian military was behind it.
The Russian president's portrait is constructed from more than 5,000 bullet casings.
Moscow has repeatedly protested U.S. military presence in a region where it once enjoyed sweeping naval dominance.
Leading NATO and Russian commanders will have their first meeting since 2013, when Obama banned talks, blaming Putin for the crisis in Ukraine.
Blockchain expert Pavel Lerner was dragged into a black Mercedes-Benz by men in balaclavas.
Social media is intimate and personal: it seduces and elides, it cajoles and it lies.
Ukraine and Russia’s relationship has reached its lowest point since the collapse of the Soviet Union.
The Russian president was hosting his annual press conference, a hotly-anticipated event in Russia's Christmas TV calendar.
The U.S secretary of state said, “There is broad consensus among all the NATO members that there is no normalization of dialogue with Russia today.”
German Foreign Minister Sigmar Gabriel is deeply critical of Trump’s stance on Iran and North Korea and says Europe must take its own path.
Russia's deputy defense minister took several jabs at the U.S., warning that it is becoming unclear what needs to happen to improve relations.
Sexual assaults are common on all sides of the war, and few perpetrators are being punished.
Expensive upgrades to local rail may be required so trains can go across the bridge once it's completed, local officials reportedly said.
Judges in the Netherlands said that the gold, originally from Crimea, may be returned to Ukraine instead.
It is the second time the Roshen store has been targeted in protest against Petro Poroshenko.
The attack was the second attempt this year from Russia’s mostly Muslim Chechnya region to slay the man that Russia has accused of plotting to kill President Vladimir Putin.
As robotic warfare becomes increasingly normal, experts warn we still have much to learn about the overall implications of using this technology.
A top Russian general called for Ukraine's commander-in-chief to resign over his suggestion Russia had left troops from the Zapad drill in Belarus.
The 68-page "Russian New Generation Warfare Handbook" envisions clashes between U.S. and Russian forces, especially in Ukraine.
Ukraine's Oplot fires at the same speed as Russia's T-90 and can even outpace it on the road, but so far Kiev has only exported the machine to other countries.
The Sokil drone system is a success, Ukraine's National Security and Defense Council announced, saying the next step is deploying the kit to the battlefield.
Ukraine's President Poroshenko said Moscow showed no signs of backing off from his country and recent military activity shows the Kremlin is preparing for a much bigger conflict.
Mattis hinted that the U.S. could send defensive weapons to Ukraine.