But the source remains unknown. Deep in the universe are stars and galaxies and objects so distant that the light we’re watching them produce is billions of years old. But there is one ancient ...

The Atacama Cosmology Telescope (ACT) collaboration, which includes researchers from the University of Toronto, recently ...

If string theory is correct, it could provide insights into an unknown force shaping the universe. The cosmic microwave ...

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

The clearest and most precise images yet of the universe in its infancy—the earliest cosmic time accessible to humans—have ...

A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

Current research, such as that conducted by the Euclid telescope, aims to map the distribution of dark matter in the Universe to better understand its properties and role in cosmic evolution. Dark ...

New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of the universe isn ... the "cosmic microwave background" or "CMB ...

A telescope in Chile has spent years working on by far the most precise map of the earliest visible universe. It now reveals a lot about the cosmos. An international research group has created the ...

The large-scale structure of the universe refers to vast ... the identity of which is unknown. "Many different theoretical explanations have been given for why the measured amplitude of cosmic ...