Astronomers Indirectly Spot Neutrinos Released Just 1 Second after the Birth of the Universe

The universe's oldest light hasn't made a pit stop for 13.82 billion years—beginning its journey just 380,000 years after the big bang. That light, the so-called cosmic microwave background (CMB), serves as a familiar hunting ground for astronomers who seek to understand the universe in its infancy. Unfortunately, it also obscures what lies beyond it: the first hundreds of thousands of years of the universe. Now astronomers think they have peeked beyond even...
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