At least three people have been killed on both sides of the Russia-Ukrainian border on Friday, local officials said, as the ...

Russian airports in the cities of Kazan, Nizhnekamsk, Izhevsk and Perm, which temporarily halted flights on Sunday morning to ensure the safety of civilian aircraft, have resumed normal operations, ...

Russia and other hostile states have become increasingly brazen in adopting “gray zone” attacks against Europe and the United States, leaving defense officials with a dilemma: How to respond ...