Ursa Major, also known as the Great Bear, ... M81 is one of the brightest galaxies in the night sky. (Image credit: NASA, ESA and the Hubble Heritage Team (STScI/AURA)) Messier 81.

Ursa Major and its Big Dipper asterism are loaded with terrific galaxies. Two strange galaxies that inhabit this area may be ...

Arp 105 is one of the brightest objects in the crowded galaxy cluster Abell 1185 in the constellation Ursa Major. Abell 1185, ...

The Hubble Space Telescope has captured images of three odd galaxies that may help scientists solve a 13 billion-year cosmic mystery.

Ursa Major III/UNIONS 1 has a total absolute V-band magnitude of +2.2 mag, which makes it the faintest satellite of the Milky Way so far detected.

They sought to learn more about galaxies with active galactic nuclei (or, supermassive black holes that are rapidly growing in size) in a galaxy-rich deep field near the Ursa Major constellation ...

One classic example is the starbursting Cigar Galaxy (Messier 82) in the constellation of Ursa Major, which can clearly be seen blowing huge filaments of gas out of its core.

Ursa Major plans to next conduct more tests of this motor, including with an extended-range version, in 2025, according to Jablonsky. The system is expected to be qualified in 2026.

Lying some 85 million light years away, tucked deep within the Ursa Major constellation, lies the galaxy NGC 2814. Unlike the eye-catching, spiral-shaped family of galaxies (of which the Milky Way ...

Ursa Major III/UNIONS 1 stands out for its faintness, boasting a total absolute V-band magnitude of +2.2 mag, surpassing the previous record holder, Kim 3, with a magnitude of +0.7 mag.