Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

A cosmological simulation study by researchers from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences has systematically revealed, for the first time, how the interaction ...

An artist’s concept of the dark energy-driven accelerating expansion of the universe. New results suggest dark energy’s influence on cosmic expansion has weakened over time. In 2024 a shockwave ...

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

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 ...

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought.See an excerpt of an interview in the video aboveAstronomers know ...

Physics is good at explaining many of our universe’s strange phenomena — from the way invisible beams of the light fan into rainbows to how rocket fuel can propel us into space. Even so, there are ...

In deciphering the cosmic puzzle of what the nature of dark energy is, we're going to better learn the fate of the Universe. Whether dark energy changes in strength or sign is key to knowing whether ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Large scale projection through the Illustris volume at z=0, centered on ...