Russian jets violated NATO airspace over Lithuania for 18 seconds during suspected refueling exercise. Nation's president calls it a breach of international law amid tensions.

Days after canceling a planned summit with Putin, citing a lack of progress toward ending the war in Ukraine, Trump took a major step by effectively blacklisting Rosneft and Lukoil.

President Vladimir Putin said on Sunday that Russia had tested its Burevestnik nuclear-powered cruise missile. Here are some key facts about the weapon. - The 9M730 Burevestnik, whose name translates as "storm petrel",

Hungary’s Prime Minister Viktor Orbán was delighted to learn last week that Russia and the United States had chosen his country as the venue for another summit on ending the war in Ukraine.

At least 29 people were wounded, seven of them children, in the second consecutive nighttime attack on Kyiv to claim civilian lives.

This cluster of quakes serves as a reminder that large subsea seismic events near Russia can trigger trans-Pacific tsunami alerts, with possible effects for Alaska, Hawaii, and the US West Coast. The pair of earthquakes that struck Saturday were both moderate in strength, measuring at 5.2 and 5.3 magnitude, according to the USGS.

Russia has grappled with a shrinking and aging population for decades, with President Vladimir Putin viewing it as a threat to national security.

The U.S. and its allies have tried to cripple Russia’s energy industry, but Moscow has found loopholes time and again.