A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding. In ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...

Feb. 10, 2025 — Euclid, the European Space Agency's dark Universe detective, has made an astonishing discovery -- right in our cosmic ... New Technique to Detect Dark Matter Using Atomic Clocks ...

Primordial black holes are the earliest black holes thought to exist, and they vanished almost as fast as they came into ...

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

"The new model can account for both structure formation and stability, and the key observational properties of the expansion of the universe at large." A new model of the cosmos does away with the ...

In this web, there are concentrations of galaxies with voids of space in between, as if the galaxies were sitting on vast empty bubbles. The cosmic web's structure offers clues about dark matter ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...