Counting the number of galaxies in the universe is tough because we can’t see all of them. At a certain point distant galaxies disappear from our field of view.

Images taken with the MIRI infrared camera on the James Webb Space Telescope (JWST) have made it possible to observe the ...

This recalibration indicated a revised estimate of 100 to 200 billion galaxies in the observable universe a staggering decrease from the trillion-galaxy paradigm.

A galaxy in the early universe was rich with oxygen, astronomers have found. The discovery raises questions about how early ...

Astronomers using NASA’s James Webb Space Telescope have stumbled upon a puzzling population of galaxies that look far too ...

The universe, galaxies, stars Yet astronomers like me have figured out how to estimate the total number of stars in the universe, which is everything that exists.

If there are two supernovae per millennium in your average galaxy and there are at most 200 billion galaxies in the universe, every second, around 13 stars go supernova.

When the James Webb Space Telescope first opened its golden mirrors in 2022, it delivered breathtaking views of the cosmos.

An impossibly bright galaxy is forcing scientists to rewrite the rules of the Big Bang’s aftermath. Here’s what you’ll learn ...

Astronomers searching for some of the universe’s first galaxies have uncovered a surprising case of mistaken identity.

For more than two decades, the standard model of cosmology has stood as a reliable guide to the universe. Known as Lambda ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...