One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's first few hundred thousand years are shrouded in an impenetrable fog. So far, ...

Data from the Atacama Cosmology Telescope (ACT) has now given researchers new detailed images of the universe's earliest ...

In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...

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

Experts have unveiled the most detailed images yet of the universe’s infancy, capturing light that traveled for more than 13 ...

The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

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

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

Not everything we knew about the universe is wrong. But not not everything. The Dark Energy Spectroscopic Instrument (DESI) ...

A project to map galaxies across the universe may have spied cracks in the foundation of our understanding of the cosmos.

Primordial black holes are the earliest black holes thought to exist, and they vanished almost as fast as they came into ...