Over the past decade, the Mayan calendar has been subjected to close examination and intense debate. Could an ancient calendar system predict solar flares? This fascinating theory will be delved into, ...

A 13th-century manuscript sits under glass, its bark-paper pages filled with vivid glyphs and cryptic figures, in a quiet reading room in Dresden, Germany. Known as the Dresden Codex, it’s one of the ...

Kimberly H. Breuer does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...