Photo of standing stones similar to Stonehenge, but with more irregular shapes

Astronomy Blogs

Ancient Skies: The Moon That Returns Once in a Generation

The 18.6-year cycle of the lunar standstill belongs to the Moon. But recognizing it belongs to us. For centuries, people have watched carefully enough, remembered long enough, and taught faithfully enough to discover patterns that unfolded across generations.

Stonehenge

Astronomy Blogs

Stonehenge and the Geometry of the Sky

For most of human history, the sky was not something we studied — it was something we lived with.