Observations don’t match the predictions of the standard model—and it’s not just a fluke.

Explore bizarre mysteries science still can't explain, from dark matter to the Fermi Paradox. Dive into cosmic conundrums and ...

Tiny red objects spotted by NASA's James Webb Space Telescope (JWST) are offering scientists new insights into the origins of galaxies in the universe—and may represent an entirely new class of ...

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 ...

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 ...