Follow the space program since the moon landing in the four-part documentary "Once Upon a Time in Space". Here’s how to watch ...

An ancient book on astronomy from the 1500s sold for more than £10,000 ($12,200), as a "private international buyer" triumphed over intense competition at a U.K. auction. The Castle of Knowledge by ...

An astrophysicist has shed new light on how the ancient Egyptians viewed our galaxy thousands of years ago. In an "exciting" study published in the Journal of Astronomical History and Heritage Or ...

An apparent record-breaking ancient astronomy "observatory," complete with a sundial, was uncovered recently during a temple dig in the old capital of lower Egypt. The mud-brick temple building was ...

For the first time in human history, scientists captured the impossible — an image of a black hole. This documentary uncovers the struggle, the science, and the moment that changed astronomy forever.

Context and calendars in the Codex Borgia -- Seasonal veintena festivals in central Mexico -- The sun, the moon, and eclipses in the Borgia group -- Planetary events in the Codex Borgia -- Astronomy ...