In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...

From elegant spirals and massive ellipticals to oddball irregulars and barred beauties, here’s how stars reveal a galaxy’s ...

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

Let me first tell you how mysterious dark energy is. Einstein added a cosmological constant to his equations to keep the ...

The James Webb Space Telescope (JWST) observations of the early universe have unveiled a perplexing mystery: the rotation directions of most galaxies appear to be the same. Researchers from Kansas ...

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 plaguing the standard model of cosmology.

New computer simulations suggest the first magnetic fields that emerged after the Big Bang were much weaker than expected — ...

Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to ...

Astronomers have discovered "dust-shrouded supermassive black holes" in the early universe, less than 1 billion years after ...

An impossibly bright galaxy is forcing scientists to rewrite the rules of the Big Bang’s aftermath. Here’s what you’ll learn in this story: Scientists have found a remarkably small yet bright object ...