A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and the Planck satellite, offers a high-definition view of the early Universe.

James Webb telescope helped solve a decade-long mystery about the universe’s expansion rate, shedding new light on the cosmic ...

Scientists have long puzzled over a discrepancy in how fast the universe is expanding, but new, sharper data from the James ...

A new study challenges the traditional interpretation of the cosmic microwave background, this fossil light from the Big Bang. Researchers from the universities of Bonn, Prague, and Nanjing ...

For 75 years, scientists have consistently pondered the Fermi Paradox, which asks why we don’t hear from other civilizations ...

"This shocking result means that we now need to revisit the very foundations of everything we know about cosmology," said the reseachers.

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.

There is a set of very special numbers, known as the fundamental constants of nature, that cannot be explained. Where do they ...

For the past decade, scientists have been trying to get to the bottom of what seemed like a major inconsistency in the ...

The photos show light, dark and the polarization of light—background radiation known as the cosmic microwave background, and details the movement of hydrogen and helium gas at the beginning of ...

Cosmic microwave background is the oldest light in the universe. Cosmic microwave background is the oldest light in the universe. It was set free when the universe was a mere 380,000 years old and ...

"Formally, this light is called the Cosmic Microwave Background (CMB), but we sometimes just call it the universe's baby picture because it's a snapshot of when it was around 380,000 years old." ...