Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

A newly discovered comet, C/2025 F2 (SWAN), is now visible in the eastern sky before dawn. Officially designated on April 8, ...

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Spiral starburst galaxy glows in gorgeous Hubble Telescope image — Hubble Telescope discovers a new '3-body problem' puzzle among Kuiper Belt asteroids (video) — How did Andromeda's dwarf ...

P2 corresponds to the position of the supermassive black hole at the center of the Andromeda galaxy. Image Credit: DiKerby, Zhang, & Irwin 2025, ApJ Every large galaxy has a supermassive black hole, ...

He and his friends engaged in a conversation on whether or not the Sun was a galaxy, a planet, or even living. However, the true hilarity came from the reaction of Zias. His reaction when hearing B ...

Then, they pieced together a record of the X-ray light produced by a supermassive black hole in the Andromeda galaxy called M31 star or M31*. Their research provides insight into the unique ...

In the years since, astronomers like me have uncovered a vast and expanding universe filled with trillions of galaxies, fundamentally changing our perspective on space. The Andromeda galaxy, or M31, ...