About 85 percent of the matter in the universe is thought to be dark matter, yet there is still no confirmed direct detection of any dark matter particle. Ground-based detectors, space-based ...

Although dark matter is a central part of the standard cosmological model, it’s not without its issues. There continue to be nagging mysteries about the stuff, not the least of which is the fact that ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. If you took a look at all the galaxies in the Universe, measured where ...

Wide binary stars with separation greater than about 2000 astronomical units are interesting natural laboratories that allow a direct probe of gravity at low acceleration weaker than about 1 nanometer ...

The reconstructed dark-energy equation-of-state parameter w(z).The black curve denotes the mean value, while the light blue shaded zones indicate the allowed regions at 1σ confidence level. An ...

The Universe we see around us, when interpreted within the context of Einstein’s theory of General Relativity, suggests the presence of a pervasive fluid of Dark Energy. This mysterious substance, ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The idea of gravity as we know it has been around for a long time ...