There's no single definition of seizure clusters, also called cluster seizures. In general, it's a group of seizures that happen more often than you're used to within a certain span of time. Some ...

A stunningly concentrated and hefty galaxy cluster, from a time in the universe's history when such massive structures aren't expected to have fully formed yet, is challenging cosmic evolution ...

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 ...

Galaxy clusters rule the dark universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul M. Sutter is an astrophysicist at The Ohio State ...

A galaxy cluster 10.4 billion light-years away is bending space and glowing with free-floating stars — and its core mass is ...