The universe is vast, mysterious, and breathtakingly beautiful. From the glow of distant galaxies to the quiet elegance of ...

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full moon. What backyard observers don't ...

A mysterious burst of radiowaves with more energy than the sun emits in a year has been traced back to a cosmic graveyard dead galaxy filled with ancient stars.

The nearest galaxy of comparable mass to the Milky Way beyond Andromeda is M81, at nearly 12 million light-years. This bird's-eye view of Andromeda's satellite system allows us to decipher what ...

NASA’s James Webb Space Telescope has peered into the chaos of the Cartwheel Galaxy, revealing new details about star formation and the galaxy’s central black hole. This landscape of “mountains” and ...

The Hubble Space Telescope revealed that the Andromeda Galaxy’s ecosystem differs from our Milky Way’s. This shows how these two galaxies have evolved over billions of years. While our Milky Way has ...