If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

The James Webb Space Telescope caught a glimpse of these violent bundles of gas and stars. The universe's first galaxies were hot messes, according to a recent study. During their younger days, they ...

Data from NASA's James Webb Space Telescope has revealed dozens of small galaxies that played a starring role in a cosmic makeover that transformed the early universe into the one we know today. White ...

“You build these machines not to confirm the paradigm but to break it,” European Space Agency senior science and exploration adviser Mark McCaughrean said. This logic underlies the iconoclastic ...

Space is packed with all sorts of weird and unexpected stuff, but this humongous, spinning string-thing raises a whole new ...

Where is the center of the universe? Learn why researchers say the rules may not apply to the center of the universe.

Why it's so special: What if a galaxy had only one spiral arm? Our solar system resides on the outskirts of one of the Milky Way galaxy's estimated four spiral arms, according to Space.com, but not ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...