Galaxies can consist of millions to trillions of stars. The galaxy we live in is called the Milky Way, and astronomers estimate it has between ... There are three main types of galaxies ...

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...

Lenticular galaxies lie somewhere between spirals and ellipticals in ... are influenced by various processes, leading to ...

These galaxies are thought to be the most common in the nearby Universe and might be the types of galaxies where life can develop given the nature of their formation history. However, astronomers ...