The Leiden Sphaera — the dynamic model of the solar system pictured above — was built around 1670 by Dutch clockmaker Steven Tracy. The impressive cosmic model measures 1.5 meters across, and is ...

Add Yahoo as a preferred source to see more of our stories on Google. Galileo, Kepler and Copernicus with planets and orbital diagrams. In this series, The Week looks at the ideas and innovations that ...

We know that the Catholic church has a troubled history with the idea of heliocentrism, but when did this history become history? What year would Galileo have gotten away with publishing his book? In ...

There was a recent news item about Star Trek's Kate Mulgrew in a geocentric movie. The geocentric model states that the Sun and the planets move around the Earth instead of the heliocentric model with ...

When asked who was the first to propose the heliocentric theory—that is, the one in which the Sun is the center of the universe and the planets revolve around it—the usual answer is Copernicus.

American writer Dan Brown released The Da Vinci Code in 2003. A mystery novel that tracks the secret surrounding the Holy Grail of Jesus through ciphers hidden in the works of Leonardo S.p.A., a ...