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

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 ...

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 ...

The cosmos might be playing a different game than we thought. Scientists have spent decades believing our universe was ...

Dark matter and its impact on cosmology have puzzled physicists for nearly a century. At Perimeter Institute, two researchers ...

The mysterious force called Dark Energy, which helps the Universe to expand, might be changing in a way that challenges our ...

Physicists using near-absolute-zero detectors have reached unprecedented sensitivity in the hunt for light dark matter. A ...

“If this is correct, to the extent of my knowledge, it would mark the first time humanity has ‘seen’ dark matter. And it ...

For nearly a century, something unseen has tugged at the cosmos. In the 1930s, Swiss astronomer Fritz Zwicky noticed galaxies ...

Research published Tuesday by a Japanese astrophysicist says gamma rays may have been generated by the collision of dark ...

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 ...