In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

Could the universe be rotating at an imperceptible speed? An extremely slow rotation, occurring once every 500 billion years, ...

If this scenario plays out, “the world as we know it would collapse like a house of cards,” says one theoretical physicist.

It's a crucial explanation for why matter was able to dominate over antimatter in the early universe — without ... antimatter ...

This violation may explain why matter could have dominated antimatter in the early Universe ... this class of particles for the first time», — explains the study participant, a CERN physicist Vincenzo ...

5. Because of the finite speed of light, we are restricted to studying our observable universe. Discuss with your class the question, "Are there other universes?" What hypotheses can they make?

CP violations had not yet been observed in baryons, the other major class of particles that makes up the majority of observable matter in the Universe ... test the Standard Model and to look ...

The new model forgoes the need for either dark matter or dark energy as explanations for the universe's acceleration and how structures like galaxies are generated. The researcher's work builds on ...

A simulation created by researchers at the Massachusetts Institute of Technology is the most detailed model of the early universe to date. Thesan, named after the Etruscan goddess of the dawn ...