Over the course of human history, perhaps no single object in the night sky has drawn more attention than the Andromeda ...

Astronomers have detected a mysterious dark object in the distant universe. It could be dark matter, or it could be something ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the Universe), states ...

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

The history of how stars and galaxies came to be and evolved into the present day remains among the most challenging astrophysical questions to solve yet, but new research brings us closer to ...

(CNN) — Astronomers have spotted the oldest "dead" galaxy ever observed while studying the cosmos with the James Webb Space Telescope, and it's one of the deepest views into the distant universe made ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

This video shows the habitable zone around the star HD 20794 (in green) and the trajectory of the three planets in the system. Thirty years after the discovery of the first exoplanet, we detected more ...

As just one of all the living creatures on Earth, you're along for the ride as our planet constantly moves in two major ways.

A Christmas song list plays softly from the speaker on the mantle. The tree and the fireplace bathe the den in a warm glow. Out of nowhere, one of the grandchildren who has been watching too much ...