Once the world's fourth-largest lake, the Aral Sea has shrunk due to Soviet-era irrigation, sparking crises as Uzbekistan fights desertification ...

As two of Earth's great tectonic plates slowly crash together, the Mediterranean Sea is likely to be wiped off the face of ...

You might be hearing about the gulf off the coast of the U.S. and Mexico. Here's what to know about the body of water the ...

The rise in carbon dioxide levels in our atmosphere is also helping to acidify our oceans even further, resulting in more ...