Astronomy is a branch of science that researches everything in the universe beyond our Earth's atmosphere. This includes things like other planets in our solar system, moons, stars, and …

See the night's sky as never before. Explore the cosmos from the comfort of your home. Discover the secrets of the Sun. You can do all this and more with our unique astronomy programs, led …

Join Museum staff and members of the Northern Virginia Astronomy Club for a view of the night sky through our telescopes. Stargazing will take place outside in the bus parking lot at the …

Join the Museum and local astronomy groups for an evening of stargazing at the Eisenhower Memorial.

Stars were some of the first things humans made note of when they began to look to the sky, including our own Sun. There are billions of stars in the universe—some even have planets of …

Aug 7, 2025 · The Solar System, located in the Milky Way Galaxy, is our celestial neighborhood. Our Solar System consists of 8 planets, several dwarf planets, dozens of moons, and millions …

Space science—science performed from vehicles that travel into Earth's upper atmosphere or beyond—covers a broad range of disciplines, from meteorology and geology, to lunar, solar, …

Jun 9, 2020 · If you are old enough, you may remember a time when we thought Pluto was a planet. In 2006 the International Astronomical Union (IAU) adopted a standardized definition of …

Jun 20, 2024 · Modern astronomy began with the invention of the telescope just over 400 years ago. With this new tool, Galileo showed that there is more in the universe than discernible with …

May 16, 2021 · Astronomers at Harvard’s central observatory in Cambridge, Massachusetts, and its new observatory in Arequipa, Peru, ultimately produced over 500,000 glass plate images of …