The answers they find may change everything.

For more than a decade, cosmology has been stuck with a puzzling contradiction. Two ...

The Big Bang theory is supported by the discovery of the cosmic microwave background radiation. The universe rapidly expanded and cooled after the Big Bang. Light elements like helium and lithium ...

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

This is the light echo of the Big Bang, the first light that freely moved through the universe. This relic is crucial to our ...

I was very pleased to see Matt Warner’s post on the fact that the Big Bang theory of cosmology was proposed by the Belgian priest, Fr. Georges Lemaitre (pictured). This is a really cool thing, and not ...

READER QUESTION: My understanding is that nothing comes from nothing. For something to exist, there must be material or a component available, and for them to be available, there must be something ...

The cracks in cosmology were supposed to take a while to appear. But when the James Webb Space Telescope (JWST) opened its lens last spring, extremely distant yet very bright galaxies immediately ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. This image represents the evolution of the Universe, starting with the ...

Imagine you wanted to know everything you could about the Universe. You'd want to find the answers to questions of all types, such as: What is the Universe made of? How big is the entire Universe? How ...