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

The theory that gravitons lose energy thru gravitational redshift while traveling against the force of a gravitational field ...

Morin, L.R.M. (2026) Conjecture on Cosmological Redshift: Action Instead of Velocity, No Need for Dark Energy. Journal of ...

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.

Imagine the ultimate version of a toy Universe: it's expanding, it's full of material, and through it all, there's one photon ⁠— or quantum of light ⁠— that we keep track of and forbid from ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. The light you see, when you look out at the stars and galaxies that ...

A Doppler shift is defined as a change of frequency of light or sound when an object is moving toward or away from an observer. Edwin Hubble observed in 1929 that galaxies appear on average to be ...

It’s been almost exactly two years since we last posted a dedicated look at rendering performance in Maxon’s Redshift, so let’s get up to speed, shall we? In the grand scheme of things, two years ...