The sea became a key battleground for fighting between Russia and Ukraine after Moscow invaded its neighbor in early 2022.

Russia’s “shadow fleet” of aging oil tankers helps fund the ongoing war but puts the region at risk of more environmental ...

From Russia’s 2008 war in Georgia to its annexation of Crimea in 2014 and subsequent full-scale invasion of Ukraine in 2022, ...

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?

Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...

Worcester one of best cities for St. Patrick's Day, study says.