The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from ...

Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

More than one-quarter of the states parties to the Convention on Cluster Munitions have adopted dedicated national implementation legislation, but much work remains to be done in this area. Article 9 ...

A globular cluster near the heart of the Milky Way is gradually dissolving, according to a new study published on arXiv, ...

A bubbly-looking galaxy smashup called the Champagne Cluster offers a rare glimpse into cosmic collisions—and the hidden behavior of dark matter. The Champagne Cluster is a dramatic cosmic system ...

Here's what you need to know about cluster munitions, which shower a region in a deadly rain of "bomblets." Dan was a writer on CNET's How-To and Thought Leadership teams. His byline has appeared in ...

August evenings in the Northern Hemisphere are prime for seeking out globular star clusters. Among the brightest and best for northerners is the Hercules Cluster (M13), which British astronomer Thomas ...

A preschool in northeastern Ukraine was slammed with rockets early in the morning of Feb. 25, reportedly leaving three civilians, including one child, dead, according to local media footage and ...

Episodic cluster headache is a disabling neurologic disorder that is characterized by daily headache attacks that occur over periods of weeks or months. Galcanezumab, a humanized monoclonal antibody ...

Topic clusters show Google that a website has lots of useful content and is relevant to a specific subject. Here's how they work. If you want to show Google that your webpages are both relevant to ...