The Hercules-Corona Borealis Great Wall stretches 10 billion light years, defying physics that suggest structures of that size should be impossible.
An illustration of galaxy superclusters and cosmic voids, similar to the structure of the BOSS Great Wall Science Photo Library/Corbis The English language has a few limitations. One such problem is ...
New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against scientists' models of cosmic evolution.