It's where geographers "draw the line". Dan Smith has the story of where and how we settled on the Prime Meridian. 🌐 ...

If you use your smartphone’s GPS to find Earth’s prime meridian – the north-south line marking zero degrees longitude – at Greenwich Observatory, you’ll notice something a bit odd. You won’t be ...

Soar over Greenwich, United Kingdom, where the Prime Meridian of the world carves a vertical line through the historic cobbles of the Royal Observatory. The drone captures the twin baroque domes of ...

THE Prime Meridian Conference at Washington on Monday adopted the Greenwich line as the universal prime meridian. Only one vote—that of St. Domingo—was given against its adoption; but the ...