A new high-resolution map of distant galaxies may help scientists understand a mysterious invisible substance that helps hold the universe ...

A mysterious object has been detected at the edge of the universe, sparking curiosity and debate within the scientific community. As researchers scramble to understand its origins and purpose, ...

Discover seven unusual galaxies defying scientific predictions, from impossibly bright early universe objects to astrophysics ...

1. What Are Fermi Bubbles? No, this is not a rare digestive disorder. The bubbles are massive, mysterious structures that emanate from the Milky Ways center and extend roughly 20,000 light-years above ...

Physicists are building detectors so sensitive that they may succeed in unraveling one of the greatest mysteries in modern physics: the true nature of dark matter.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. New hints from one ...

Artist’s impression of a black hole star (not to scale). Mysterious tiny pinpoints of light discovered at the dawn of the universe may be giant spheres of hot gas that are so dense they look like the ...

(CNN) — New hints from one of the most extensive surveys of the cosmos to date suggest that mysterious dark energy may be evolving in ways that could shift how astronomers understand the universe.