In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

A Milky Way collision with a supermassive black hole might be closer than we thought. Hidden deep in the Large Magellanic ...

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 ...

Astronomers predict that our home galaxy ... be no life on Earth at this time — increasing solar luminosity will have eradicated all life about 2.8 billion years before the first Milky Way ...

The Bullseye galaxy is two and a half times the size of our Milky Way and has nine rings ... the galaxy may have had a 10th ring, which is no longer detectable by our observatories.

Superclusters are large collections of galaxy clusters, groups, and individual galaxies that are typically not gravitationally bound to each other. For example, our Milky Way Galaxy is located on ...

This artist's concept visualizes a super-Neptune world orbiting a low-mass star near the center of our Milky Way galaxy.

The historic Mount Majdah, located south of the Tabuk province in Saudi, offers pristine, clear views of the Milky Way Galaxy ... where there is no light pollution, the stars can be seen even ...

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded icy objects" thousands of light years from Earth. Takashi Shimonishi, ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...