Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...
In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...
A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...
Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...
High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.
Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...
Estimating distances in astronomy is challenging ... His measurements marked the end of the Great Debate about the Milky Way's size and the nature of the nebulae. Hubble wrote about his discovery ...
The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...
A radio telescope in South Africa has unearthed a giant galaxy—dubbed a "cosmic megastructure"—with plasma jets that measure ...
ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.