Cassiopeia a’s ‘green monster’

On 23 July 1999, Space Shuttle Columbia launched its heaviest-ever payload: the Chandra X-ray Observatory, a new flagship telescope for NASA. It is the world’s most powerful X-ray telescope, capable o

Galaxies come in all sorts of shapes and sizes. They can be broadly classified as spiral, elliptical or irregular, but each of these still leaves plenty of scope for variety. Take, for instance, the s

On 2 March, a spherical UFO was spotted making erratic zigzag movements over the city of Buga in Colombia. Shortly afterwards, a group of people recovered a metal sphere, roughly the size of a footbal

The high-tech Japanese sake company Asahi Shuzo is taking a bold step forward by attempting to brew its sake off-world for the first time, with the ultimate goal of being able to brew sake on the Moon

The world’s biggest digital camera telescope has started ...

DEEP in the belly of Gloucestershire hides a ...