For the first time, an elusive ghost particle blasted from deep space is seen on Earth

Billions of years ago, a supermassive black hole feeding on gas and dust in the center of a galaxy spit out a subatomic ghost.

That ghost particle — known as a neutrino — has quietly made its journey through the cosmos, across billions of light-years and arrived on Earth, where a large group of neutrino-hunting scientists were waiting to see it.

A giant detector located in Antarctica caught sight of the neutrino sent into space by that feeding black hole, known as a blazar, marking the first detection of its kind in history. The groundbreaking new finding is detailed in two papers published in the journal Science Thursday. Read more...

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