A New Dawn in Cosmic Archaeology: Multi-Messenger Clues Illuminate the Universe’s Birth

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A convergence of signals-from pulsar timing arrays and cosmic microwave background polarization to early galaxy light captured by cutting-edge space telescopes-is rewriting the origin story of the cosmos. Researchers now chart a roadmap to the Big Bang's first heartbeat, blending gravitational waves, radio signatures, and primordial neutrino prospects in an integrated view of creation.