Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

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

Scientists have released a new study on the arXiv preprint server that catalogs the universe by mapping huge clusters of ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

No one knows what kicked off the Big Bang that eventually allowed the stars to begin forming. Adolf Schaller for STScI, CC BY How can a Big Bang have been the start of the universe, since intense ...

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

He led a team of scientists who helped confirm that a Big Bang was the source of the universe. The discovery earned him a ...

Scientists found where the universe’s missing matter went. Black holes have been pushing it far away from galaxies.

Calculating the total mass of the universe is not simple, because most of the mass is invisible. In a pie chart of the contents of the universe, only 5 percent is normal matter, atoms that make up all ...