NASA - National Aeronautics and Space Administration

The Secret Lives of Galaxies Unveiled in Deep Survey

Two of NASA's Great Observatories, bolstered by the largest ground-based telescopes around the world, are beginning to harvest new clues to the origin and evolution of the universe's largest building block, the galaxies. It's a bit like finding a family scrapbook containing snapshots that capture the lives of family members from infancy through adolescence to adulthood. Credit: NASA, ESA, the Goods Team and M. Giavalisco (STScI)