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 ...

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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 ...

An iconic observatory in south east London is marking its 350th anniversary this year. First established by King Charles II and designed by Christopher Wren, The Royal Observatory in Greenwich Park ...

The earth’s astronomical navel* was about to shift its position. Britain’s Royal Observatory was preparing for its first permanent move in 271 years. Left behind in Greenwich (now part of London) ...

Recently there has been an unusual amount of interest in expanding U.S. territory. A better idea: why not go REALLY BIG and relocate the Prime Meridian from Greenwich, England, to Saint Paul, ...

Greenwich’s iconic Planetarium will close for two years as part of a huge project to regenerate the Royal Observatory. The Peter Harrison Planetarium, London’s only public planetarium and a key ...

Introduction: one line to rule the world -- Geographical confusion -- Absurd vanity : the world's prime meridians before c.1790 -- Declarations of independence: prime meridians in America, c.1784-1884 ...

In anticipation of the upcoming equinox at Saturn, the imaging science team on NASA’s Cassini spacecraft is releasing today a series of images and movies capturing scenes possible only once every 15 ...

You're looking at 0° longitude on Mars--the Greenwich Observatory equivalent on the Red Planet. NASA/JPL-Caltech/University of Arizona NASA has revealed a stunning ...

The first observation using the Airy Transit Circle telescope, a device that functioned for over a hundred years, was taken ...