Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

As the primordial gluon soup expanded outward, it cooled, but to do that, it had to push out the boundaries of the observable universe. Credit: ESA – C. Carreau After the Big Bang, for the first ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our noses all this time. Models of how the universe has evolved since the Big ...

The Big Bang theory, by comparison ... to rework the model of the universe so that it aligns with the known laws of physics and the observable universe without relying on forces we have not been able ...

Although our universe is mostly normal matter, antimatter isn’t so hard to create — supernovae, black holes, and even bananas ...

Adam Riess, winner of the Nobel Prize in Physics, discussed how his research rewrote the fundamental story of the universe.

The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, is dwarfed by the Hercules–Corona Borealis Great Wall. In fact, the team ...