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

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 ...

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...

Two Micron All-Sky Survey (2MASS) imagery was used to create a animation of the warp of the Milky Way galaxy. Credit: 2MASS, Adrian Price-Whelan ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

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 ...