open image in gallery The Kitt Peak National Observatory where a telescope is mapping the universe to study a mysterious force called dark energy. (NSF’s NoirLab via AP) (NSF’s NoirLab via AP ...

Several scientific groups, including one at CERN's Large Hadron Collider, are currently working to generate dark matter particles for study in the lab. Other scientists think the effects of dark ...

The scientists, who are collaborating on something called the Dark Energy Spectroscopic Instrument (DESI) are studying the history of the universe’s expansion out to 11 billion years in the past ...

Dark energy, a mysterious force that scientists believe is behind the accelerated expansion of the universe, is weakening — which could result in the universe over the course of billions of ...