Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

The big bang wasn’t a bang in the traditional sense—but it was nonetheless the start of important things: for one, space; ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

This idea is called the big bang model—which is an unfortunate name because it brings to mind a cosmos expanding like an ...

Explore the compelling evidence behind the universe's expansion in this insightful video. Learn about the key scientific observations, including redshift, supernovae, and cosmic microwave background ...

The standard cosmological model (present-day version of "Big Bang," called Lambda-CDM) gives an age of the universe close to 13.8 billion years and much younger when we explore the universe at ...

As the Dark Energy Survey (DES) releases its final results, we caught up with two physicists who've been involved in the project from its early days. In this Q&A, Josh Frieman, DES co-founder and ...

NASA’s Nancy Grace Roman Space Telescope will conduct a wide-area survey to study dark matter, dark energy, and the expansion of the universe across 11 billion light-years.

I came across on the internet a commentary titled, “The universe did not start with the Big Bang — Feyman explains why.” ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

The six-year results from the Dark Energy Survey highlight unresolved tensions in standard cosmological theory.

From the vastness of galaxies to the enigma of dark matter, cosmology reveals the boundless nature of the universe ...