How Big Bang Echoes Still Fill the Universe

Did you know the Big Bang is still echoing through space right now? Scientists call it the Cosmic Microwave Background — faint radiation that fills the entire universe like a ghostly whisper from the beginning of time. In this video, we explain how this leftover energy from the Big Bang was discovered, what it tells us about the birth of the universe, and why it’s still out there… billions of years later. All explained in simple, easy-to-understand terms.