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

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

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 ...

This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are ...

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

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

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

From GPS to innovations in computing and optics, technologies developed for space research at UC Santa Cruz touch nearly ...

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

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

Dark matter, mysterious invisible stuff that makes up most of the mass of galaxies including our own Milky Way, is confounding scientists again, with new observations of distant galaxies conflicting ...