Artist's impression of James Webb space telescope in operation

Axe hangs over new space telescope

Astronomers are battling to save the most powerful observatory ever to be sent into space – NASA’s James Webb Space Telescope – amid fears it is about to be axed by Congress.

Comet Hale-Bopp in 1997 over Reculver, Kent

Hale-Bopp – a comet that refuses to die

A brilliant comet that dazzled observers over Easter in 1997 is continuing to astonish astronomers 14 years later as it becomes the furthest from the Sun ever observed.

A NASA image of Cassiopeia A combining observations made with the Spitzer, Hubble and Chandra space telescopes.

Daylight supernova marked royal birth

A brilliant supernova, visible in broad daylight, marked the birth of King Charles II on May 29, 1630, according to detective work by an astronomer and historian colleague.