The Bitterest Scientific Duel in History Was Over "Geoheliocentrism"

Most people know Tycho Brahe as the silver-nose-wearing, elk-owning astronomer that they'd love to drink with. He was also an implacable grudge-holder. His bitterest fight involved three famous astronomers of the 16th century, and their battle over the best theory about how Earth was at the center of the universe. » 12/08/14 8:00am 12/08/14 8:00am

12 Diagrams That Changed How We Understood Our Solar System

These days, we are treated to glorious images of the cosmos through astrophotography and sophisticated three-dimensional visualizations of the universe. In the early centuries of astronomy, however, our visions of the cosmos often took the shape of diagrams—representing what we believed about our solar system. » 3/18/14 10:00am 3/18/14 10:00am