What Is Dark Matter? The Hunt For Universe’s Most Elusive Substance Continues
Dark matter — the mysterious and ever so elusive stuff that makes up 85 percent of the total mass of the universe we live in. We have been looking for it ever since we came to know of its existence, but so far, the hunt has been frustratingly fruitless.
Currently, the hypothetical Weakly Interacting Massive Particles, which are believed to interact with normal matter through gravity and the weak nuclear force, are the leading candidates to explain the composition of dark matter, but what class of particles these WIMPs belong to is not yet known.