A stable cluster of aluminum atoms, Al13, acts as a single entity in chemical reactions, demonstrating properties similar to those of a halogen, reports a research team led by A Welford Castleman Jr., ...

July is the best time of the year to observe two distant star clusters that are relatively close to each other. Given their close proximity to the constellation Scorpius, these two star clusters are ...

We hear more and more about industry clusters all over the world. One of the most famous clusters is certainly Silicon Valley, which has, for decades, attracted tech startups with well-known stories ...

Palomar 5 is a unique star cluster. In a new paper, astrophysicists show that distinguishing features of Palomar 5 are likely the result of an oversized black hole population of more than 100 of them ...