Galaxies and clusters are the ensembles of stars and other astronomical objects bound together by gravitational forces. Galaxies are ordered into galaxy groups, which are in turn organised into ...

This was the end of the cosmic dark ages and the start of galaxy formation. These first stars and the galaxies they formed were very different from anything we see in the modern universe.

In the century since Hubble’s pioneering work, astronomers like me have learned that the universe is vast and contains trillions of galaxies. In 1610, astronomer Galileo Galilei used the newly ...

A Map Viewer for Star Wars Galaxies. Allows the original Planets from Galaxies to be richly annotated with waypoints, markers and other content.

The glow we see from distant galaxies is as old as Earth’s ancient rocks One photographer put the age of starlight into perspective with stunning projections on some of Earth's oldest rock ...

Ever wondered what galaxies are all about? Check out these facts... Galaxies are some of the most incredible and beautiful structures in the universe. They’re home to stars, planets, gas, dust, and ...