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RGB. Credit: Mikroman6 / Getty Images

What are RGB filters used for?

View of a planet orbiting a star.Credit: Mark Garlick / Science Photo Library

Can a star be smaller than a planet?

Milky Way over Namthing Pokhri Lake Basudeb Chakrabarti, West Bengal, India, 13 March 2022 Equipment: Nikon D5200 DSLR, Tokina 11–16mm lens, tripod

How bright would the night sky be if we were closer to the centre of the Milky Way?

Chart showing the locations of Mars, Venus and the Beehive Cluster in June 2023. Credit: Pete Lawrence

See Mars, Venus and the Beehive Cluster together in the evening sky this month

Illustration of the planets of the Solar System. Credit: Steve Allen / Getty Images

What’s the farthest planet from Earth?

True shape of Earth. Credit: NASA

How we discovered the true shape of the Earth

Galaxy NGC 1792, as seen by the Hubble Space Telescope. Credit: ESA/Hubble & NASA, J. Lee. Acknowledgement: Leo Shatz

A beginner’s (quick) guide to cosmology

Orange full Moon. Credit: Ambre Haller / Getty Images

Why the Moon sometimes looks orange

Our Andromeda Galaxy image after using Siril’s ‘Image processing’ suite for common processing steps like enhancing the background and bringing out the galaxy’s ‘true’ colour.

Astrophotography guides

How to use Siril free software to process your DSLR astro images

A sequence of close-ups of an NLC rift structure. Subtle changes in the clouds look dramatic once animated and speeded up. Credit: Pete Lawrence

Astrophotography guides

How to photograph and record the motion of noctilucent clouds

Noctilucent clouds. Credit: Meindert van der Haven/istock/getty images

Noctilucent clouds What they are and how to see them

Noctilucent clouds. Credit: Adrien Mauduit

Astrophotography

How to capture and process images of noctilucent clouds

A pair of binoculars may be all you need to get started in astronomy. Credit: VW Pics / Contributor / Getty Images

6 things to see in the night sky with binoculars, June 2023

Maggie Aderin Pocock and Chris Lintott

Astronomy on the BBC

When is The Sky at Night next on TV?

NGC 6210, as seen by the Hubble Space Telescope. Credit: Credit: Robert Rubin and Christopher Ortiz (NASA/ESA Ames Research Center), Patrick Harrington and Nancy Jo Lame (University of Maryland), Reginald Dufour (Rice University), and NASA/ESA

6 planetary nebulae to spot in the summer