The Universe still holds many mysteries, and among the most intriguing are these invisible components known as dark matter and dark energy. For decades, astronomers have estimated that ...

Astrophysicists at the University of Chicago have developed physics-based models suggesting that dark energy could be ...

New strategies may soon allow scientists to test dark energy theories within our own solar system, linking cosmic-scale physics to local observation. Science advances through a cycle of proposing ...

For a quarter century, cosmology has leaned on one framework to explain how the universe expands. Known as the ΛCDM model, it assumes about 70 percent of the cosmos is filled with an unseen force ...

For more than two decades, the standard model of cosmology has stood as a reliable guide to the universe. Known as Lambda Cold Dark Matter, or ΛCDM, it weaves together dark energy, dark matter, and ...

The U.S. National Science Foundation Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory (KPNO), a Program of NSF NOIRLab, beneath streaking star ...

Dark energy, the invisible force making up 70% of the universe, accelerates cosmic expansion and could one day cause the “Big ...

Astronomers have unveiled a new catalog of massive galaxy clusters, revealing new insight on the evolution of the universe ...

The trails of stars are seen above Kitt Peak National Observatory, where a telescope is mapping the universe to study a mysterious force called dark energy. (NSF’s NoirLab) NEW YORK — Scientists are ...

NEW YORK (AP) — Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance. The force is enormous — it makes up ...