A bright, greenish, beam of light was seen in the sky near Feltwell in Norfolk on 3 December at around 5am, not far from the US air bases in Suffolk, prompting speculation about aliens. Jim NR Dale, f

How high up is the lowest level of ...

Our astronomical adventure in the hills of mid-Wales starts on an unlucky note. The autumnal sunshine of earlier has been swept away by a persistent drizzle rolling across the valleys and hilltops of

Spotlight on readers’ excellent images and how they captured them

Got a project you want to show, a poem you have written, or a science adventure you went on? This is your space to share it.

James Abbott explains how to boost plain skies in your cityscapes, with four simple but effective Photoshop techniques