The best videos, books, apps, and other learning resources our members recommend:

Astronomy 101: From the Sun and Moon to Wormholes and Warp Drive, Key Theories, Discoveries, and Facts about the Universe

6th - High School | Book, ebook/Kindle Explore the curiosities of the cosmos in this engaging book!
Too often, textbooks go into more detail than readers have in mind when they want to learn a little something about astronomy. This is...

Astronomy: A Self-Teaching Guide, Eighth Edition

9th - College | Book, ebook/Kindle For a generation, Astronomy: A Self-Teaching Guide has introduced hundreds of thousands of readers worldwide to the night sky. Now this classic beginner's guide has been completely revised to bring...

Astronomy Course Assistant

7th - College | Android, iPhone/iPad Astronomy app great for any college-level introductory computational course. Includes planets, moons, stars, solar objects, more. Customize your location. Get an overview of constellations,...

Astronomy: Exploring Time and Space

7th - College | Online class This course is designed for anyone who is interested in learning more about modern astronomy. We will help you get up to date on the most recent astronomical discoveries while also providing...

Astronomy For Kids

1st - High School | Online resource Powerful and fun resource for kids, exploring astronomy and other space related topics. Play games, learn through interactive applications, and much more.

Confronting The Big Questions: Highlights of Modern Astronomy

9th - College | Online class An introduction to modern astronomy's most important questions. The four sections of the course are Planets and Life in The Universe; The Life of Stars; Galaxies and Their Environments; The History...

Cosmology and astronomy

7th - College | Online class The Earth is huge, but it is tiny compared to the Sun (which is super huge). But the Sun is tiny compared to the solar system which is tiny compared to the distance to the next star. Oh, did we...

Exploring the Night Sky: The Equinox Astronomy Guide for Beginners

4th - High School | Book Exploring the Night Sky is aimed at novice star gazers anxious to expand their astronomical repertoire beyond the Big and Little Dippers. Dickinson has designed a superb introduction to astronomy...

From the Big Bang to Dark Energy

High School - College | Online class We have learned a lot recently about how the Universe evolved in 13.7 billion years since the Big Bang. More than 80% of matter in the Universe is mysterious Dark Matter, which made stars and...

Imagining Other Earths

9th - College | Online class Are we alone? This course introduces core concepts in astronomy, biology, and planetary science that enable the student to speculate scientifically about this profound question and invent their own...

Introductory Astronomy (online)

High School | Online class Why do stars twinkle? Is it possible to fall into a black hole? Will the sun ever stop shining? Since the first glimpse of the night sky, humans have been fascinated with the stars, planets, and...

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Astronomy: The study of the stars, planets, galaxies, and other heavenly bodies that inhabit our universe

See only free resources for learning Astronomy