Near the small town of Herstmonceux in the English county of East Sussex sits the former home of the Royal Greenwich Observatory. The Royal Observatory Greenwich was first built in Greenwich, London, ...

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 ...

GREENWICH — More than 50 people came out to an eclipse-watching gathering at the Bowman Observatory to marvel at the otherworldly spectacle, putting on safety glasses, tracing the path of the ...

The Royal Observatory Greenwich commemorated its 350th anniversary, having been established in 1675 by King Charles II. Its initial mandate focused on resolving the longitude problem, a significant ...

Sperrgebiet by Vikas Chander. Image credit: Vikas Chander/Royal Greenwich Observatory. The nominees are in! A sampling of the 140 photos shortlisted for the Astronomy Photographer of the Year ...

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 ...

The crater in the center of this HiRISE image defines where zero longitude is on Mars, like the Greenwich Observatory does for the Earth. Originally, the larger crater that this crater sits within, ...

Universal Time (UT), adopted in 1928 by the International Astronomical Union, is the time standard used in astronomical almanacs, referencing the 0° longitude meridian (Greenwich). For high precision, ...

Near the small town of Herstmonceux in the English county of East Sussex sits the former home of the Royal Greenwich Observatory. The Royal Observatory Greenwich was first built in Greenwich, London, ...