How desi built a 3d map of the cosmos

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

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

HUBBLE SPACE TELESCOPE, 22 DECEMBER 2025 Spiral galaxies MCG-02-05-050 (right) and -050a (left) are together known as Arp 4. That means they feature in Halton Arp's Atlas of Peculiar Galaxies, compile

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

A centrepiece of Prof Stephen Hawking’s theory of black holes states that black holes can only grow. Thanks to precision observations made with the Laser Interferometer Gravitational-Wave Observatory