As the crisp autumn air rolls in, October presents a prime opportunity for stargazers to witness the beauty of the Andromeda Galaxy (M31). Just as the Milky Way’s closest neighbor climbs high above ...

The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it.

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It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...

Just how far can we see on a clear, dark night? If you’re a regular reader of this column, you know that the stars overhead lie many trillions of miles away, but these make up only a tiny fraction of ...

Modern physics suggests distance may emerge from motion, gravity and quantum entanglement, not exist as a basic fact. (CREDIT: NASA, ESA, Z. Levay and R. van der Marel/STScI, T. Hallas, and A.

Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from Germany, France and Sweden show that most of the (dark) matter beyond the Local ...

Great new photos are in of the closest galaxy to our own Milky Way. The Andromeda galaxy lies 2 million light-years away from the Milky Way. Our neighbor is estimated to have nearly one trillion stars ...

In 2014, a NASA telescope observed that the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around ...