A small group of young researchers at the Cosmic Dawn Center, Niels Bohr Institute, University of Copenhagen, have, through ...

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

Astronomers have found something the universe wasn’t supposed to have: a galaxy cluster blazing with hot gas just 1.4 billion ...

Here’s a guide to why this type of weapon is controversial and widely banned — and why Kyiv wants it. By Victoria Kim Gaya Gupta and John Ismay The United States agreed on Friday to provide Ukraine ...

Over the past year, cluster munitions—weapons banned by a majority of the world’s countries—have killed or injured hundreds of civilians in Ukraine. Their use, which began the first day of Russia’s ...

The United States is providing Ukraine with cluster bombs it says have a failure rate of 2.35%. But past use suggests "failure rates of 10% to 30%," according to a report prepared for Congress.

Cluster headaches are a series of relatively short but very painful headaches that happen every day for weeks or months at a time. You tend to get them at the same time each year, such as in the ...

Cluster feeding is when infants want to feed more frequently than usual. Often, feedings get shorter as well as more frequent. While cluster feeding can happen with both breast and formula feeding, it ...

The United States has announced that it will send cluster munitions to Ukraine after weeks of internal debate and public speculation. Ukraine has asked for these munitions, which are highly effective ...

Cluster analysis is a technique used to group sets of objects that share similar characteristics. It is common in statistics. Investors will use cluster analysis to develop a cluster trading approach ...

Personality disorders—atypical ways of thinking about oneself and relating to other people—are grouped into three clusters: A, B, and C. Cluster B disorders are marked by inappropriate, volatile ...