June 30, 2026

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A Most “Pleasantly Situated” Estate

The farms and gardens of Mount Vernon played a central role in the life of America’s first president.

Star-Spangled City

Two hundred years ago, a battle in the port city of Baltimore inspired the writing of America’s national anthem.

The Battle for Sullivan’s Island

Marshy, sandy terrain and an impassable inlet helped colonial forces repel British forces during a pivotal battle on the barrier island near Charleston, South Carolina, on June 28, 1776.

A Turquoise Tint for the Black Sea

Phytoplankton added a milky blue hue to the waters of the Black Sea and nearby waterways in spring and summer 2026.

Playing the Moon Game

Apollo astronauts previewed their roles as lunar field geologists in Alaska’s Valley of Ten Thousand Smokes.

American Historical Landscapes:

An Earth Observatory Collection

From Civil War battlegrounds to industrial landmarks to the country’s earliest national parks, these places helped shape the United States we know today.

More from NASA Earth Science

NASA’s PACE Mission Studies Smoke, Fires

With the North American fire season underway, and a record number of acres already burned nationwide, NASA’s Plankton, Aerosol, Cloud, and ocean Ecosystem (PACE) satellite’s three instruments are observing vegetation precursors to fires, along with plumes of smoke and their movement.

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