A galaxy in the distance, was tightly encircled by a halo of light—also known as an Einstein Ring, a result of gravitational ...

Over the decades, the Star Wars franchise has introduced countless Force powers - light, dark, and balance. Here's your guide ...

This was the birth of our modern universe of galaxies, so poetically celebrated in Seeing in the Dark. Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely ...