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 …

3 days ago · Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes ...

Sep 23, 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 …

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.

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 .

May 15, 2025 · Astronomy is the study of everything beyond Earth's atmosphere. That includes the Moon, planets, stars, galaxies, black holes, and even the stuff we can't see - like dark matter.

Oct 15, 2025 · Discover the universe beyond Earth's atmosphere with the latest astronomy news, features and articles.

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

A different astronomy and space science related image is featured each day, along with a brief explanation.