The new data seem to indicate that the cosmological constant is negative, and that the universe will end in a Big Crunch,” ...

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

The Universe still holds many mysteries, and among the most intriguing are these invisible components known as dark matter ...

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 ...

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Scientists may be coming closer to confirming the existence of dark matter - the invisible stuff thought to make up more than ...

WASHINGTON (Reuters) - New data involving millions of galaxies and luminous galactic cores is providing fresh evidence that the enigmatic and invisible cosmic force called dark energy - responsible ...

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 ...

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 ...

Astrophysicists are leading a project (TiDES) that will improve our understanding of the mysterious “dark energy” that ...

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 ...