Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

Where is our solar system in the vast assemblage of celestial objects in this island Universe we call the Milky Way? To answer that question, we can begin with the beautiful configuration of stars we ...

Image of the supermassive black hole Sagittarius A* (Sgr A*). from the Event Horizon Telescope (EHT) collaboration "has ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

Shapley determined that the Milky Way was 300,000 light years across ... His subsequent tuning-fork diagram of the shapes of ...

100 years ago, Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help. If we could go back 101 years, we would encounter a time when ...

A SUMMARY of the most up-to-date knowledge of the galaxy is provided by an article by Frank K. Edmondson in the Telescope of September-October. A short historical outline of the subject is given ...

“The treasure trove of data collected by Gaia has given us unique insights into the origin and evolution of our Milky Way Galaxy, and has also transformed astrophysics and Solar System science in ways ...