A dazzling galaxy discovered by the James Webb Space Telescope (JWST) is forcing cosmologists to reexamine key assumptions ...
We are the Universe trying to understand itself. How, and why, did we come to be? Why does the Universe take the shape it does? To understand our place in the cosmos, we look to what has gone before.
At that time, our universe emitted the cosmic microwave background as it emerged from its intensely hot, opaque state ...