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 ...

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

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

We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ...

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

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.

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

A backward, mirror universe could explain the existence of dark matter. If an anti-universe exists, it would run backward in time, before the Big Bang. Dark matter, then, could be right-handed ...

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