Universe as I always say is a cloud of mysteries and not many of these have yet been answered by astronomers. To answer these questions one has to go back in time. No, I am not talking about a time machine, as the best way to go back in time is...

Scientists have long been trying to understand the large-scale structures of universe and for that no doubt massive galaxy clusters and the massive galaxies needs to be studied. That was what the scientists were doing up to recently,...