If you look at any star atlas published before 1930, you will see what appear to be random lines defining the constellations. Before this date, constellation boundaries had not been formalized. Modern ...

Learning to read and use a star map can transform stargazing into a guided journey among constellations, planets, and deep-sky wonders. With the right preparation, tools, and techniques, you can ...

Find out what's up in your night sky during April 2026 and how to see it in this Space.com stargazing guide.