The Hubble Deep Field, shown here, is a patch of sky in the constellation of Ursa Major the Great Bear. It was originally chosen because it was an empty and apparently blank patch of sky - so no ...

This image of the galaxy cluster Abell 2744 is from the Frontier Fields project, using natural gravitational lenses and ...

Over the last two decades, astronomers have constructed new and better images of our deepest view of the universe, including the Hubble Ultra Deep Field and more recently, the eXtreme Deep Field ...

The eight ripples seen by the Hubble Space Telescope in this cosmic scene marks the most ever seen in any galaxy, and data ...