Explore Capsules

Astrology keeps failing rigorous tests of predictive power, yet millions still organize their lives around it. These views span the science that debunks it, the cognitive biases that sustain belief, and the case for horoscopes as tools for self-reflection rather than prediction. Weighing them shows what astrology can't do and what it still does for people anyway.

Constellations organize the night sky into recognizable patterns, linking astronomical observation with centuries of cultural meaning. Readers will learn how major constellations are identified, what stars define them, when and where they are visible, and how different traditions have interpreted their forms and stories.