Summary:
- The U.S. government has decided to end its support for the CMB-S4 project, a major scientific effort to study the early universe and cosmic inflation.
- CMB-S4 was a proposed next-generation observatory that would have used advanced telescopes and detectors to measure the cosmic microwave background (CMB) radiation in unprecedented detail.
- The cancellation of the project is a setback for our understanding of the universe's origins and evolution, as the CMB holds crucial information about the first moments after the Big Bang.