Ukraine said Thursday its long-range drones had struck a major offshore oil platform in the Caspian Sea this week, in a previously undisclosed mission that signals a new expansion of its target list ...

The latest proposal is designed to deter future Russian aggression. But Russia is not part of the talks and has shown little willingness to negotiate. By Michael D. Shear Steven Erlanger and ...

Crucial details on the future security of Ukraine remain unsettled as negotiators seek a deal that Russia will approve. President Frank-Walter Steinmeier of Germany ...