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 ...

People have been visiting it for decades but after 131 years it turns out the Greenwich Meridian Line is in the wrong place. Researchers have discovered the world famous stainless steel tourist ...

We’ve got some bad news for you — you may not have been there at all. The world is filled with geographically significant spots, from international borders, time zone boundaries, and exact centres of ...

June 22 marks the 350th anniversary of the Royal Observatory Greenwich, the home of the historic Prime Meridian that is considered by many to be the birthplace of modern astronomy. To celebrate, we're ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. The Prime Meridian was set in 1884 using the large Transit ...

LONDON • On a blustery afternoon, a multinational clot of tourists waited for a turn to straddle some of the most ephemeral notions — time and space. They'd come to the Royal Observatory, perched on a ...

The Prime Meridian is the imaginary line running between the North and South Poles that's used to indicate 0° longitude. It passes through Greenwich in southeast London, and is therefore sometimes ...