The northern regional capital has become a frequent target of Russian drones, missiles and guided bombs. Now, Ukraine's top general says at least 50,000 Russian troops have massed across the border.

Syria clashes erupt, Gaza tensions rise, and Ukraine hits back. Start your week with the key defense and security headlines ...

Rosaviatsia, Russia’s civil aviation authority, temporarily halted flights at Sochi’s airport to ensure air safety.

A volcano on Russia’s far eastern Kamchatka Peninsula erupted overnight into Sunday for what scientists said is the first ...

The eruption of the Krasheninnikov volcano on Sunday in Russia’s Far East came after a series of seismic events this past ...

President Donald Trump could meet with Russian President Vladimir Putin as soon as next week to discuss the Russia-Ukraine ...

The eruption occurred after a huge earthquake struck Russia’s Far East early Wednesday, an 8.8-magnitude temblor that caused ...

Among the active volcanic eruptions was the Krasheninnikov volcano, a previously at least 400-year-dormant volcano.

The Krasheninnikov volcano sent ash more than 3.7 miles into the sky, according to staff at the Kronotsky Reserve, where the ...

A volcano on Russia’s far eastern Kamchatka Peninsula erupted overnight into Sunday for what scientists said is the first ...

The Krasheninnikov volcano’s first eruption in centuries is believed to have been triggered in part by the massive earthquake ...