A new recipe of "quadratic gravity" could help to better define the picture of the Big Bang and the singularity that existed ...

In quantum mechanics, particles do not behave like everyday objects. Instead of existing in one clearly defined state, they ...

A ball tossed into the air follows a path that classical physics can track with confidence. Shrink that ball down to the size ...

Scientists suggest that a fifth, hidden force linked to dark energy may exist in the solar system but has not yet been ...

We spoke to a genuine astrophysicist about the accuracy of Star Trek's approach to interstellar travel, the holodeck, and the ...

By stopping black holes from fully evaporating, hidden dimensions may solve a cosmological paradox.

Physicists have long suspected that there is a layer of physical reality beneath quantum theory and a new mathematical model ...

The cosmological constant problem, or the vacuum catastrophe is a discrepency in the observed values of the vaccuum energy ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

For decades, the four known forces of nature, gravity, electromagnetism, and the strong and weak nuclear forces, have ...

The LuSEE-Night mission would place a small radio telescope on the far side of the moon to listen for signals of the cosmic ...

By studying galaxy clusters separated by hundreds of millions of light-years, Penn physicist Patricio Gallardo and ...