To fix this the Royal Observatory decided to set a standard time that everyone could set clocks to. This was called Greenwich Mean time(GMT). GMT became the only official time used in the UK ...

In 1884, an international conference decided that the Prime Meridian, which runs through Greenwich, would be the starting point for timekeeping. The line runs through the Royal Observatory ...

Ryan Imperio has been named the Royal Observatory Greenwich’s Astronomy Photographer ... The photographer used a monochrome camera with a filter to capture the area. Tom Williams from the ...

The reversible transit circle has been fairly fully employed in making 7,234 transit observations, including fifty-seven of the moon, which were undertaken in view of the fact that lunar ...

Herstmonceux Observatory, formerly owned by the Royal Observatory Greenwich, has been owned by Queen's University in Canada since the 1990s and leased to the Observatory Science Centre.