The Moon illusion, a centuries-old observation, describes the perception of the Moon appearing larger and closer when near the horizon compared to its appearance higher in the sky. This illusion is ...

Samurais, thunderbirds and canoes star in the sky stories. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Look no further than your personal ...

Have you ever looked up on a clear night at the stars and noticed that some of them seemed to twinkle or dance? This twinkling is due to the Earth’s atmosphere. When light reaches Earth from a star, ...

My interest in astronomy began in third grade, when my parents bought me a set of constellation flash cards. We couldn’t afford a telescope, but I was able to borrow a neighbor’s small refractor from ...