If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light ...

Scientists are keen to get to the bottom of the dark matter puzzle because this phenomenon accounts for the vast majority of ...

Our Milky Way is a spiral galaxy rotating around a central point. Our Sun is on one of the spiral arms as shown in the diagram: The Sun's orbital speed is determined almost entirely by the ...