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

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

Mapping the Universe’s vast structure no longer requires endless supercomputer time. Effort.jl brings cosmic modeling to ...

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 James Webb Space Telescope (JWST) observations of the early universe have unveiled a perplexing mystery: the rotation directions of most galaxies appear to be the same. Researchers from Kansas ...

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 ...

Knowable Magazine reports that neutrinos may help explain the universe's missing antimatter, shedding light on ...

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 ...

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

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

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 ...

The original version of this story appeared in Quanta Magazine. After her adventures in Wonderland, the fictional Alice stepped through the mirror above her fireplace in Lewis Carroll’s 1871 novel ...