Nearly Half of the Universe’s Ordinary Matter Was Uncharted, Until Now

Nearly half of the universe’s ordinary matter was uncharted, until now

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

Webb and Chandra Image of Bullet Cluster Maps Invisible Dark Matter

NASA's James Webb Space Telescope (JWST) and Chandra X-ray Observatory combined their efforts to look at the Bullet Cluster in a new way, enabling scientists to precisely map the cluster's dark matter.