This video explores the enigma of dark matter, an elusive substance believed to make up most of the universe's matter. While ...

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 ...

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

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

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 ...

A survey of the sun’s radiation turned up two surprises: a dip in low-energy gamma rays, and far more high-energy gamma rays than predicted. And nobody knows why One way to solve the dark matter ...

Dark matter is a real pain in the neck. The term dark matter itself refers to a hypothetical substance that seems to solely interact with the rest of the universe via gravity and to serve as the ...