Astronomers have puzzled for decades over how massive elliptical galaxies appeared so early in cosmic history. The standard ...

The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international ...

Galaxies come in many shapes and sizes, and trying to define them is difficult In keeping with both trend and theme, it’s time to take a step outward—a big step. If you're enjoying this article, ...

Astronomers continue to uncover galaxies that challenge traditional classifications. A recent study by Hubble Space Telescope observers, highlighted by NASA, showcases NGC 2775, a galaxy whose ...

Annagrazia Puglisi does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

According to the prevailing “cold dark matter” theory of the evolution of the universe, every galaxy is surrounded by a halo of dark matter that can only be detected indirectly by observing its ...