Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

A trillion years ago, our universe didn’t exist, at least not in any recognizable form. According to the Big Bang theory, ...

How did everything begin? It's a question that humans have pondered for thousands of years. Over the last century or so, ...

A team of scientists led by expert Raúl Jiménez, ICREA researcher at the University of Barcelona's Institute of Cosmos ...

“The Big Bang Theory,” about a group of nerdy friends ran from 2007 to May 2019. The first spinoff, “Young Sheldon,” ran for seven seasons and concluded last year. “Georgie & Mandy’s First Marriage,” ...

The Big Bang may not have been the beginning of the universe, according to a theory of cosmology that suggests the universe can “bounce” between phases of contraction and expansion. If that ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang narrative that launched the universe onto its expansion timeline. Alan Guth, a theoretical physicist at MIT, put ...

The conventional wisdom among cosmologists is that the universe experienced a period of “inflation,” a brief burst of accelerated expansion, a fraction of a second after the Big Bang. But. ... and ...

Our universe may have another mirror universe on the other side of the Big Bang running backwards in time, physicist hypothesize. ... like cosmic inflation and string theory. ...

Physicists working at the CERN particle physics lab said they detected a slight but significant difference in how particles ...

Today’s standard cosmological model, based on the Big Bang and cosmic inflation ... has been remarkably successful in explaining the structure and evolution of the universe.