This strange nebula, which sports a very long name, was discovered in 1977 and has changed dramatically over time.

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

Today I want to talk about something beginning observers tend to overlook. It a process of the human eye called dark ...

The Swan Nebula (M17) glides through the early-morning sky near the border that Sagittarius shares with Scutum and Serpens ...

The space-based observatory, launched at the end of March, released its first set of images, in which a cloud of dust ...

Venus and Saturn shine before dawn, with Neptune tucked between them — see if you can spot the ice giant with binoculars or a ...

Fabricius noted the brightness of Mira on August 3, 1596. But when he observed it on the 21st of that month, it was a ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

The Iris Nebula (NGC 7023) is an odd reflection nebula surrounding a magnitude 7.4 star, SAO 19158, in the constellation ...

Starting high in the Northern Hemisphere sky, I’ll be highlighting lots of stuff over the coming weeks and months. I’m going ...

This morning is the best time to catch the Eta Aquariid meteor shower, which should produce about 10 meteors per hour before ...