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 ...

It was a proposed endeavor to capture an unprecedented "deep field" view of the cosmos, allowing humanity to look back billions of years, near the dawn of time. Though Bahcall believed Hubble ...

This week’s naked-eye object is the Ursa Major Moving Cluster. If you’re not familiar with this open cluster, it may shock you to learn that it shines brilliantly at a magnitude of 0.4. What?

They sought to learn more about galaxies with active galactic nuclei (or, supermassive black holes that are rapidly growing in size) in a galaxy-rich deep field near the Ursa Major constellation ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

Named after astronomer Edwin Hubble, the telescope has two primary camera systems to capture its stunning images of the cosmos – the Advanced Camera for Surveys (ACS) and the Wide Field Camera 3 ...