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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!

Full Moon calendar 2025

Check the dates for every full Moon throughout the year, learn about the Moon's phases, 'supermoons' and more

Astronomy with the naked eye

Learn what you could see in the night sky with no equipment from the Royal Observatory Greenwich; from galaxies and meteor showers to comets, star clusters, cloud formations and more

Noctilucent clouds: what are they and when can you see them?

Discover more about the astronomy phenomenon that makes clouds appear to glow at night 

How to see the green comet C/2022 E3 (ZTF)

Discover how to see this once-in-a-lifetime comet, which might be visible to the naked eye under dark skies.

Lunar eclipse guide: When and where to see in the UK

Find out what a lunar eclipse is and when the next total lunar eclipse in the UK will occur

How to sight the new crescent Moon

In the Islamic calendar, the new crescent Moon marks the start of the month

Orionid meteor shower 2025: when and where to see it in the UK

What is it, when is it and where can I see the Orionid meteor shower this year?

Ursid meteor shower: When and where to see it in the UK

What is the Ursid meteor shower, when does it happen and how can I see it in 2025?