<ul><li>The James Webb Space Telescope (JWST) has discovered a grand-design spiral galaxy known as A2744-GDSp-z4.</li><li>This galaxy is exceptionally old and challenges our understanding of galaxy formation.</li><li>Most spiral galaxies are younger, but this galaxy formed when the universe was only about 1.5 billion years old.</li><li>The researchers speculate that the presence of a stellar bar or the merger of two smaller galaxies may have contributed to its formation.</li></ul>

James Webb telescope uncovers massive 'grand design' spiral galaxy in the early universe — and scientists can't explain how it got so big, so fast

Discover more