Solstices and equinoxes

Earth’s orbit around the Sun is slightly elliptical, which means our distance from the Sun varies over the course of the year – and that brings effects that are fascinating to capture. The variation s

the winter solstice has a magic for me that other pagan festivals don’t quite hit. It’s the one I actively celebrate rather than simply nod to, as I do the equinoxes, the summer solstice and the sprin

1 Thursday The Moon’s libration makes it favourable for viewing features near the southern pole today. At 21:06 UT, Saturn’s largest moon, Titan, can be seen emerging from behind Saturn’s disc. Callis

The past two years have provided areas of the UK, sometimes as far south as Cornwall, opportunities to enjoy the incredible show of the Aurora Borealis, or Northern Lights, a sight usually only experi

Measuring time using the Earth’s rotation was always an imprecise business, so now we do it using the ‘tick’ of an atom

Astronomers are now regularly detecting planets thousands of light years from Earth – but have we missed one in our own Solar System?