In order to keep time accurately, we have always had to set our clocks by the ticks of a better one. Until the 1950s, the best were those set by astronomers based on the position of the sun in the sky ...

True Confessions (Again): I was a very logical but somewhat naive kid. The naivete lasted into my teenagery but this situation occurred when I was much younger. I’m certain I must have learned the ...

The Royal Observatory Greenwich has closed its south building for a £77m, three-year renovation, adding new galleries, ...

As the air grows cooler and leaves gradually turn brown, it's evident that summer is finally coming to a close. And with that ...

The Royal Observatory Greenwich has closed its south building for a £77m, three-year renovation, adding new galleries, step-free access, ...