Galaxies may not be as simple as "young and blue" or "old and red." A new idea from astrophysicist Charles Steinhardt proposes a third type: red star-forming galaxies that break the mold. These galaxi ...

"We were surprised by the streams of light that were visible near the center of the galaxies, as nothing similar has been ...

The galaxies identified as rotating in the opposite direction relative to the Milky Way. Shamir, Lior, Monthly Notices of the Royal Astronomical Society, 2025 under CC BY 4.0 The problem is that ...

Dwarf galaxies are the most abundant type of galaxies that populate the Universe. Composed of 100 times fewer stars than the Milky Way, or even less, they are the building blocks of more massive ...