If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

A neutrino sensor array, ARCA, lines the Mediterranean seafloor near Sicily. A physicist took ARCA’s first huge win to a warm ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a finite timeline, new calculations suggest.

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized ...

The universe exists because matter and antimatter are not good friends. Is there a scientific reason why the universe exists?

Primordial magnetic fields, billions of times weaker than a fridge magnet, may have left lasting imprints on the Universe.

Dark matter is a type of matter that does not emit, absorb, or reflect light, making it invisible to telescopes.

Sometimes, the simplest explanation is the best one," Professor Gupta said. "Maybe the universe’s biggest secrets are just ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the Universe), states ...

Euclid Consortium, the international group that manages the European Space Agency’s Euclid space telescope, has published the ...