Since JWST’s launch four years ago, some mind-blowing observations have been made by this internationally operated, state-of-the-art, space-based super-telescope

Such was George III’s passion for astronomy that he had an observatory built to observe the transit of Venus. Although his interest remains unrivalled, scientific curiosity gripped the Royal Family for centuries, as Matthew Dennison reveals

When Yerkes Observatory opened in Wisconsin in 1897, it was a wonder. Alongside the great one-metre (40-inch) telescope – the largest refractor ever built – the lavish facilities included the novelty

DID YOU KNOW? JWST’s primary mirror weighs 705 kilograms ...

From stargazing as a child to presenting the iconic The Sky At Night , Dame Maggie Aderin, 57, tells us how she beat the odds to become a space scientist, and why life beyond Earth matters to all of us

Short, fast, apochromatic refractors with a flat image field that don’t cost a king’s ransom are perhaps the Holy Grail of telescope design. Altair Astro’s 60EDQ f/5 quad astrograph with dual-ED optic