'Truly significant': James Webb telescope reveals largest-ever map of the universe's hidden megastructures
Astronomers have utilized the James Webb Space Telescope to create the most detailed map of the cosmic web to date. This map illustrates the evolution of galaxies over approximately 13 billion years and highlights the structure of the universe. The research reveals how the cosmic web has influenced galaxy formation and star development throughout cosmic history.
- ▪The James Webb Space Telescope has produced the largest-ever survey of the cosmic web.
- ▪The map shows how galaxies have evolved since the universe's infancy.
- ▪The cosmic web is the largest known structure in existence, consisting of galaxy clusters and dark matter.
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Space Astronomy 'Truly significant': James Webb telescope reveals largest-ever map of the universe's hidden megastructures Using the James Webb Space Telescope, astronomers have created the most detailed map of the cosmic web ever. By Ivan Farkas published 18 May 2026 in News When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A "slice" of the cosmic web, as reconstructed through COSMOS-Web data. The vertex at left represents the present day, while the opposite edge reaches back to when the universe was less than 1 billion years old. Brighter, yellower regions represent dense areas containing galaxies, while dark regions show empty regions of space called voids.
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