We consider a vacuum to be the lowest energy state of the Universe. But it's possible that there's an even lower-energy, more ...

The conclusion of DESI's first survey marks an important milestone for cosmology, which finds itself in a bind for the best ...

"The dark structures shaping galaxies today could be relics from a time before the Big Bang." The post Physicist Proposes ...

Professor of Theoretical Physics Risto Paatelainen from the University of Turku in Finland has spent nearly ten years working ...

Most people think the multiverse is just about "what-if" scenarios – other versions of you where you took that job in another ...

The fundamental constants of nature seem perfectly tuned to allow life to exist. If they were even a little bit different, we simply wouldn't be here. Given this grave existential fact, we are forced ...

One issue is that when scientists calculate what the Hubble constant should be, it doesn’t quite match observations of the ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an invisible force called dark energy. But new data suggest that this is ...

Interest in the multiverse theory, suggesting that our universe is just one of many, spiked following the release of the movie "Everything Everywhere All At Once." The film follows Evelyn Wang on her ...

Seen from our blue marble as it spins among the hundreds of millions of star systems in the Milky Way, the universe around us ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the ...