99.9999999% certainty: Astronomers confirm a discovery with far-reaching consequences for the universe’s fate

For over two decades, cosmologists have believed that the universe is expanding at an accelerating pace, driven by a mysterious force called dark energy. This assumption has shaped modern theories of cosmic evolution and underpinned the prevailing model of the universe: ΛCDM. But a striking new study is now challenging that foundational idea. Resea...