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

The James Webb Space Telescope has found a lonely black hole in the early universe that’s as heavy as 50 million suns. A ...

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

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

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

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum plaguing the standard model of cosmology.

However, further observations from the Hubble Space Telescope revealed that Pismis 24-1 is actually a triple star system. This finding emphasizes the intricate nature of stellar systems and the ...

Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot.

The formation of galaxies in the universe should follow a fairly simple path. It starts with small galaxies, which then grow bigger and bigger until they become the giant galaxies we see in the modern ...