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 ...

galaxies had a redshift value of 0.059, meaning that it traveled approximately 825 million years on its journey to Earth. The image is a small part of the DESI Legacy Imaging Surveys — a ...

Here is a list of galaxies that are known in this universe other than your Milky Way galaxy. It is a spiral galaxy approximately 2.5 million light-years from Earth and the nearest major galaxy to the ...

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at ...

Messier was interested in comets, so his list was a set of fuzzy objects that ... Way – but astronomers now just call these systems galaxies. In 1920, astronomers Harlow Shapley and Heber ...

NASA's newest space telescope rocketed into orbit Tuesday to map the entire sky like never before—a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the ...

Now, in a remarkable new image, researchers captured one of these cosmic filaments connecting two galaxies from when the universe was just 2 billion years old. It's the most detailed image of an ...

NASA's newest space telescope rocketed toward orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the ...