When an invisible entity making up 85% of the universe's mass stumps the greatest scientific minds of our time, awe is an ...

Modern cosmology assumes dark matter exists. But what makes us so certain that dark matter is the answer—and what if we're ...

Wormholes are some of the universe's strangest and most mind-boggling structures, but scientists now say one could be hiding ...

Axions are hypothetical light particles that could solve two different physics problems, as they could explain why some nuclear interactions don't violate time symmetry and are also promising dark ...

Theories of quantum mechanics predict that some particles can exist in superpositions, which essentially means that they can ...

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Dark matter could be the result of fermions pushed into a warped fifth dimension. This theory builds on an idea first stated in 1999, but is unique in its findings. Dark matter makes up 75 percent of ...

Have you ever stood by the sea and been overwhelmed by its vastness, by how quickly it could roll in and swallow you? Evidence suggests that we are suspended in a cosmic sea of dark matter, a ...

The idea of crowdsourcing scientific research is a powerful one. When a problem is big — really, really big — why not enlist an equally big army of people to solve it? For several years now, the ...