NPR's Ailsa Chang talks with Phil Hartmeyer, is a marine archaeologist at NOAA's Ocean Exploration program, about a mural discovered in the shipwreck of the USS Yorktown, which sunk during WWII.

The expansive wall art, which has mostly been out on the streets over the last few decades, is returning to its cave-dwelling origins: homes. By Lia Picard When Megan Debin purchased her Long Beach, ...

During a recent exploration in the deep sea, researchers at the National Oceanic and Atmospheric Administration found a mural that has survived more than 80 years under water. But this mural had never ...