Astronomers have proposed a radical idea: dark matter—the mysterious substance making up most of the universe’s mass, might ...

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to their supercomputer simulations. We know it's real because its mass ...

A mysterious substance rules the present-day universe. New research suggests that it may have been born even before our cosmos as we know it, and that if it does eventually leave the cosmic scene, it ...

The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by astronomer Fritz Zwicky, this elusive substance refuses to play by the rules: ...

The glowing red band represents high concentrations of gamma rays across the center of the Milky Way. NASA / DOE / Fermi LAT Collaboration Dark matter—an unseen substance thought to make up 27 percent ...

Scientists just announced that they have detected a completely unexpected number of antihelium particles—something that could mean they were generated by dark matter. Specifically, they could have ...

"Finding dark matter would unlock an entirely new chapter in our understanding of the universe." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Perhaps dark matter is made of an entirely different kind of particle than the ones physicists have been searching for. New experiments are springing up to look for these ultra-lightweight phantoms.

A NASA telescope may have detected evidence of dark matter, enabling it to be “‘seen” for the first time. Since dark matter was conceptualized nearly 100 years ago by Swiss astronomer Fritz Zwicky, ...

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If true, this would challenge a fundamental framework of cosmology. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Strange behavior in a massive ...