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

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

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

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

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

The reasonable mind must hold that our universe has one beginning,' reads the thesis of the book, 'God, the Science, the ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

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

From GPS to innovations in computing and optics, technologies developed for space research touch nearly every aspect of ...

The signal, seen for just 0.1 seconds, could be a sign of "another universe and connected to our universe through a throat" according to the team.

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

It's a celestial event that has astronomers both excited and puzzled. Dan Smith has the story of how a gamma-ray burst across ...