If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...
We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.
Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...
In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...
The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...
Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...
The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of ...
The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...
By combining data from the DESI Legacy Imaging Surveys and the Gemini South telescope, astronomers have investigated three ...
Looking at a distant galaxy means looking back in time.
A century ago, Edwin Hubble first established that this so-called "spiral nebula" was actually very far outside our own Milky Way galaxy — at a distance of approximately 2.5 million light-years ...