In the past, astronomy included disciplines as diverse as astrometry, celestial navigation, observational astronomy, and the making of calendars. Astronomy is one of the few sciences in which amateurs …

1 day ago · Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.

Jul 25, 2023 · Astronomy is one of the oldest scientific disciplines. Explore what it is and how it's shaped our understanding of the world around us in our ultimate guide.

4 days ago · NASA investigates the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery. NASA’s Psyche spacecraft successfully completed a flyby of …

NASA Continues to Study Pulsars, 50 Years After Their Chance Discovery

Jul 3, 2026 · Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Since the late 19th century, astronomy has expanded to include astrophysics, the …

Jul 8, 2026 · Explore the universe with Sky & Telescope - your ultimate source for stargazing, celestial events, and the latest astronomy news