An 18th-century Neoclassical clock standing ten feet tall, made by a clockmaker to the French king, may fetch as much as $850,000 at a Paris auction on June 30. “It’s a once-in-a-lifetime occasion,” ...

PRAGUE – Prague's fabled astronomical clock is returning to the Czech capital's picturesque Old Town Square after a complex repair operation restored the medieval landmark to its former glory. The 608 ...

All living creatures are affected by the cycles of celestial objects. Humans have always been locked into the rhythms of sunrise and sunset, the phases of the Moon, and the seasons. We left some of ...

Astronomical clocks are over 1,000 years old — some say the first was the mysterious Antikythera Mechanism. They predict the movements of the stars, sun, moon, and planets. They are also among the ...