A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

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

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

The great Russian physicist and Nobel laureate Lev Landau once remarked that“cosmologists are often in error, but never in ...

Chimpanzees select materials for tools based on flexibility, revealing early engineering instincts linked to human tool ...

After five years of staring unblinking at the sky, the Atacama Cosmology Telescope (ACT) has compiled the most detailed map we've ever seen of the cosmic microwave background – the faint light that ...

Physicists have proposed a new model of space-time that may provide the 'first observational evidence supporting string ...

Highly charged heavy ions form a very suitable experimental field for investigating quantum electrodynamics (QED), the ...

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

Female hormones can suppress pain by making immune cells near the spinal cord produce opioids, a new study from researchers ...