Redshift and blueshift are used by astronomers to work out how far an object is from Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A recent study provides answers to three seemingly disparate yet pressing cosmic dawn puzzles. Specifically, the authors show ...

Morin, L.R.M. (2026) Conjecture on Cosmological Redshift: Action Instead of Velocity, No Need for Dark Energy. Journal of High Energy Physics, Gravitation and Cosmology, 12, 162-168. doi: ...

Back in July, Data Warehouse vendor ParAccel announced it had a new investor: Amazon. Then yesterday, Amazon announced its new cloud Data Warehouse as a service offering: Redshift. And, none too ...

In physics, like in life, there are often multiple solutions to a problem that will give you the same result. In our actual Universe, however, there's only one way that reality actually unfolds. The ...