When we think of the Big Bang, we think loud, hot, and bright. But was it followed by a colder, darker shadow?
The Webb Space Telescope has spotted six pinpricks of reddish-orange light that scientists say are actually galaxies as mature as the Milky Way—despite being billions of years younger.
Researchers used data from the Dark Energy Survey and the South Pole Telescope to re-calculate the total amount and distribution of matter in the universe. They found that there’s about six times as much dark matter in the universe as there is regular matter, a finding consistent with previous measurements.