We still know very little about the ecology of mesophotic ecosystems, but they support long-lived protected species that form ...

Harmful bleaching of the world's coral has grown to include 84% of the ocean's reefs in the most intense event of its kind in ...

Discover the most unforgettable things to do in Isla Mujeres, from snorkeling with whale sharks to relaxing on Playa Norte.

These are the prettiest freshwater fish, from vibrant brook trout and pumpkinseed sunfish to majestic lake sturgeon. Check out how these species made our list!