Light from the Universe’s First Stars Captured
400 million years after the Big Bang, the James Webb Space Telescope noticed a bright spot near the galaxy GN-z11 — like a distant lighthouse whose light pushed through the primordial darkness.
Whisper of the First Stars: How Bayesian Algorithms Hear the Newborn Universe
Right after the Big Bang, the Universe was a chemical desert — only hydrogen and helium, not a hint of metals. But moments passed (by cosmic standards), and the birth of the first stars — Population III — began.
Black Hole Infants: A Handicap Race in the Early Universe
A marathon lasting 13 billion years started with different weights. A hundred solar masses — lighter than some gas clouds. A hundred thousand — gravitational dominance, comparable to an elephant among kittens. That's what black hole seeds looked like, ones that by our time should have turned into supermassive giants.