Happy Galaxies Day! A century ago tonight, Edwin Hubble exposed a photograph at the 100-inch telescope on Mt. Wilson whose ...

The Milky Way is our galactic home, but just how big is it?  Dive into this fascinating exploration of the galaxy's size, ...

shows a black hole at the center of our Milky Way galaxy. The Milky Way black hole is called Sagittarius A*, near the border of Sagittarius and Scorpius constellations. (Event Horizon Telescope ...

NEW YORK — Scientists have spotted what appear to be two stars whipping around each other near the supermassive black hole at the center of our Milky Way galaxy. Nearly every large galaxy has a ...

The James Webb Space Telescope has captured an image of a baby, Milky Way-like galaxy that formed more than 13 billion years ago. This "Firefly Sparkle" galaxy could reveal how our own galaxy evolved.

The extraordinary images -- taken with NASA's James Webb Space Telescope -- show a galaxy that glitters with 10 distinct star clusters that formed at different times, much like our own Milky Way.

Called Kepler-51, the Sun-like yellow dwarf star was found in 2012 to have three exoplanets in its orbit; each, it would turn ...

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Astronomers have discovered a pair of young stars near the supermassive black hole at the heart of our galaxy ... Firefly Sparkle' galaxy — a baby clone of the Milky Way being 'assembled ...