Burgas is Bulgaria's only oil refinery, and was a key part of Lukoil's foreign business empire, which is being threatened ...

Russian strikes have damaged nuclear substations in Ukraine, leading the International Atomic Energy Agency (IAEA) to issue a ...

Vladimir Putin ordered plans to restart Russia’s nuclear tests after Donald Trump said last week that America would carry out ...

Ukraine accuses Russia of "systematic energy terror" as the global atomic energy watchdog warns Moscow's latest strikes ...

The Kremlin launched attacks on 13 different locations, with some 27 drones hitting their target, Ukraine said.

Volodymyr Zelensky has urged Washington to supply the weapons to strike oil and energy facilities deep inside Russia.

Ukraine's Foreign Ministry denounced on Friday what it described as Russian attacks on substations critical to supplying ...

Officials in the southeastern Ukrainian city of Kamianske say several people are injured after a "massive" Russian drone ...

Russia's top general, Valery Gerasimov, told Putin that the missile travelled 8,700 miles and was in the air for about 15 ...

By holding nuclear drills and boasting about the successful test of a pioneering nuclear-powered cruise missile, Russian ...

The 9M729 missile led the United States to quit the Intermediate-Range Nuclear Forces (INF) Treaty in 2019. Washington said ...

Much of the focus in the fighting has been around the city of Pokrovsk, a key site for both Ukraine and Russia - and it ...