The oil spill in the Black Sea that has hit Russian and Crimean coasts since mid-December is particularly hard to clean up because it involves a "heavy" fuel that is less likely to float.

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

The ecological catastrophe began December 15, when two Russian oil tankers, the Volgoneft-212 and the Volgoneft-239, sank ...

Russian occupation authorities in Crimea have detained 218 people (including 132 Crimean Tatars), escalated militarization with strategic deployments, all amidst an ongoing ecological disaster from a ...

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.

The Black Sea is home to different cetacean species — some endangered — and it was the site of an oil spill in the middle of ...

The latest U.S. sanctions on Russian oil are rumored to be expansive, encompassing two Russian oil companies and more than ...

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