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 evolution.

Dec 11, 2025 · Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.

3 days ago · Get the latest space exploration, innovation and astronomy news. Space.com celebrates humanity's ongoing expansion across the final frontier.

6 days ago · 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 were out last …

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 .

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

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

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

Jun 11, 2025 · Astronomy is the scientific study of celestial bodies in the visible universe, from the scale of a few meters to the macro scale, including: the underlying physics governing those bodies, what …