The astronomer Halton C. Arp (1927–2013) was a very well-known researcher of galaxies and other distant objects. He is ...

Deep observations from the James Webb Space Telescope (JWST) have revealed an exceptionally large galaxy in the early universe. It’s a cosmic giant whose light has travelled over 12 billion years to ...

Regarding the right ascensions and declinations of celestial objects for the purposes of amateur astronomy, some coordinates ...

The still nearly Full Moon passes close to the heart of the Scorpion, Antares, visible in the southern sky early this morning.

Sophisticated computational models let us examine objects such as supernova remnants in extraordinary detail and from every angle.