Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole ...

Here’s a mind-blowing thought: what if our entire universe is actually inside a black hole? Some scientists think it’s ...

Research team includes astrophysicists, computer scientists, artists, and philosophers from UC Riverside, USC, and Carnegie ...

If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number ...

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 ...

Mapping the Universe’s vast structure no longer requires endless supercomputer time. Effort.jl brings cosmic modeling to laptops without sacrificing accuracy.

Our understanding of cosmology hinges on how well we know our own local universe, which remains poorly mapped and poorly ...

What is dark energy? Why does dark energy seem to be weakening? Is our universe part of a larger multiverse? What lies beyond the boundary of a black hole? The universe seems to be rotating, and if ...

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 ...

“There’s a lot of meanings for ‘small,’” says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. About a century ago, scientists were struggling to ...