Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

However, it is now considered a dwarf planet instead. The universe has billions of galaxies, and our solar system is in the Milky Way Galaxy. The Milky Way contains at least 100 billion other ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

The Bullseye is now confirmed to have nine rings, eight of which are visible to Hubble. Researchers confirmed the existence ...