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 ...

One that sticks out, for instance, is the iconic Hubble Ultra-Deep Field, aka the deepest visible ... the cosmos that scientists were also able to map the mysterious substance dark matter in ...

The 'Superbubble': N44 is a complex nebula filled with glowing hydrogen gas, dark lanes of dust, and massive stars. But, its most distinctive feature is the dark, starry gap called a ...