"The overarching structure of the universe is the Cosmic Web, which you can imagine as a spider web, or a fishing net, in 3D. The basins of attraction are superimposed on this structure surrounding ...

Typically, when an architect sets out to build a bungalow, a shopping mall, or maybe a monument, they draw out every corpus of details and dossiers of maps that determine the positioning of features.

The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension, has turned a seemingly simple number into one of the biggest headaches in ...