Add Yahoo as a preferred source to see more of our stories on Google. Do you know which are the most abundant particles in the universe? It is neutrinos — small, chargeless, and nearly massless ...

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A ghost is haunting our universe. This has been known in astronomy and cosmology for decades. Observations suggest that about 85% of all the matter in the universe is mysterious and invisible. These ...

One of the great mysteries of modern science is dark matter. We know dark matter exists thanks to its effects on other objects in the cosmos, but we have never been able to directly see it. And it s ...

Dark matter is claimed to make up over 80% of all matter in the universe, but scientists have never seen it. We only assume it exists because, without it, the behavior of stars, planets and galaxies ...

A ghost is haunting our universe. This has been known in astronomy and cosmology for decades. Observations suggest that about 85 percent of all the matter in the universe is mysterious and invisible.

Scientists have inched a step closer to solving an enduring mystery in physics — why the universe contains any matter at all — thanks to a newly combined analysis from two of the world's leading ...

Dark matter search: Team co-leader Christopher Tunnell is an associate professor of physics and astronomy at Rice University. (Courtesy: Jeff Fitlow/Rice) A tiny neodymium particle suspended inside a ...