If you visit the Copenhagen City Hall, you’ll see an ornate mechanical clock. By itself, this is unremarkable, of course. There are plenty of ornate clocks in city halls around the world, but this one ...

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 ...

CEDAR RAPIDS — The clock tower in Cedar Rapids’ Czech Village — which features the only astronomical clock in North America — will “awaken from its winter slumber” Thursday with a ceremony and ...

The dial -- The left hand side of dial -- The sun - moon dial -- Repeat and strike selector -- Moon elliptic orbit and node indicator -- Right hand side of dial -- Equation-of-time indicator -- Manual ...

The 3.5-foot timepiece, which includes an automaton, is on loan to the Paris museum until November. By Nazanin Lankarani Reporting from Paris Ancient water clocks, the astronomical devices of the ...