NASA's Earth Observatory: 25 Years, 25 Images

Since the launch of NASA Earth Observatory (EO) on April 29, 1999, the site has hosted more than 18,000 image-driven stories, featuring everything from the newest satellite imagery to decades-long records of change. This video highlights 25 of our favorite images and data visualizations. The collection represents Earth’s diverse landscapes—deserts, mountains, oceans, and polar regions—along with depictions of human interaction with the environmen