Library

Space Science Education

- Educational Space Science Resources - National Science Foundation!

- National Aeronautics and Space Administration - NASA website; separate section for kids' articles and beginner learning!

- The Planetary Society - a nonprofit organization advancing space science; also has a separate section for kids!

Astronomy Resources (General)

- The Astronomy Book: Big Ideas Simply Explained - comprehensive guide of all things foundational astronomy, from 600 BCE to now; by DK!

- Astronomy Podcasts - Learn Out Loud!

- Astronomy Magazine - over 50 years of astronomy research can be found here! (Note: you will need to subcscribe after a while to access everything, or you can find a way around the paywall. There are lots of ways to pull that off.)

- Astrophysics Data System - free astrophysics index with full articles!

- Compiled Astronomy Resources - by Green Bank Observatory!

Hobbyist Astronomy

- I Want to Get Into Astronomy As a Hobby but Don't Know Where to Begin - r/Astronomy thread; a lot of different advice gets offered here!

- Getting Started in Astronomy - Royal Astronomonmical Foundation!

- Astronomy for Beginners - Sky and Telescope!

Stellar Astronomy

- Star Basics - NASA!

- Star Facts - Space Facts!

- Stellar Evolution - The Schools' Observatory!

- Stellar Astronomy - Center for Astrophysics, Harvard and Smithsonian!