Intense fighting is also taking place between Ukrainian and Russian troops in the key city of Kurakhove, in eastern Ukraine.

We have already demonstrated in practice that using repair facilities for Russia's Black Sea Fleet is no longer feasible. To ...

The head of Moscow-annexed Crimea warned on Wednesday there was a "high risk" the peninsula would suffer severe environmental damage from an oil spill in t..

Ukraine says it hit an oil depot inside Russia that served a strategic air base in the southern Saratov region in what appears to have been a strike with Ukrainian weapons.

Russia's only known submarine in the Mediterranean Sea, the Kilo-class Novorossiysk, was spotted leaving the region last week.

Authorities in Crimea have declared a regional emergency after oil from storm-damaged tankers reached the shores of ...

Thirty-two dolphins have died since fuel oil spilled out of two storm-stricken tankers three weeks ago in the Kerch Strait, ...

Most of the more than 30 dolphins killed in a Russian oil spill in the Kerch Strait were from the endangered Azov species.

Ukrainian Navy confirms Russian military's complete withdrawal from Crimean repair facilities to Russia's Novorossiysk due to ...

Russia-appointed officials in Moscow-occupied Crimea have announced a regional emergency after oil was detected on the coast ...

Russia-appointed officials in Moscow-occupied Crimea have announced a regional emergency after oil was detected on the coast ...