Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry to explain their origin and their overall …

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

Nov 14, 2025 · Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Since the late 19th century, astronomy has expanded to include astrophysics, the …

Ever look up at the night sky and wonder what you're looking at? Find out how you can learn more about astronomy — and what's up there tonight. Did the astronomy bug bite you while you …

Astronomy is the study of everything in the universe beyond Earth’s atmosphere. That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars .

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.

1 day ago · NASA Science seeks to discover the secrets of space, the origins of the universe, search for life elsewhere, and protect and improve life on Earth.

5 days ago · Stay updated with the latest astronomy news and space exploration discoveries. Explore breakthroughs in cosmology, exoplanets, telescopes, and space missions.

May 15, 2025 · Curious about the night sky? This beginner-friendly guide explains what astronomy is, and how people explore space.

It studies the origins, evolution, and physical and chemical properties of celestial objects. In short, astronomy is about finding out what is going on beyond Earth.