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Zooming in on conservation: the treatment of a 17th century telescope

This beautiful 17th century telescope needs careful treatment before going on display. Object Conservator Rachel Roberts eyes up the issues

Night Sky Highlights - July 2025

Discover what to see in the night sky this July, including two magnificent nebulae in Cygnus, Mercury at its best, and more!

History of the Royal Observatory

Find out more about the founding of the Royal Observatory, and how Greenwich came to be known as the 'Home of Time'

ZWO Astronomy Photographer of the Year 2025 shortlist

Explore some of the stunning images shortlisted in the world’s biggest astrophotography competition

Night Sky Highlights - June 2025

Discover what to see in June's night sky, from eerie glowing clouds, to a trio of constellations in the Summer Triangle, and more.

Who was John Flamsteed, the first Astronomer Royal?

Meet the man tasked with mapping the night sky from Greenwich, and discover how a feud with Isaac Newton shaped the early history of the Royal Observatory

Night Sky Highlights - May 2025

Discover what to see in the night sky this May, from a galaxy that looks like a hat, to spinning space eggs and more

Night Sky Highlights - April 2025

Discover what to see in the night sky this April, from the Lyrid meteor shower to bright inner planets, and more.

Night Sky Highlights - March 2025

Find out how to make the most of two eclipses this month, spot the dazzling Pleiades star cluster, and more.