Before atomic elements came together, less than a second after the Big Bang, if particles condensed into halos of matter, ...

Imagine a universe that barely exists—just fractions of a second old, too young to look anything like the cosmos we know ...

Scientists have long been interested in the early history of the universe. Famed physicist Stephen Hawking helped popularize that the Big Bang was a singular point in time — but that's not how many ...

Led by doctoral student Tatsuya Kotani and Professor Tomoharu Oka from Keio University, the research team measured the ...

The Big Bang is often described as the explosive birth of the universe—a singular moment when space, time and matter sprang into existence. But what if this was not the beginning at all? What if our ...

Our understanding of the universe begins with the Big Bang, a moment in time where the universe began expanding into what we see around us now. Big Bang nucleosynthesis describes how only the lightest ...

It will be a view unlike any other — completely invisible, exceptionally quiet and utterly transformative. Deep in the first moments of the Big Bang, the entire cosmos shook and rumbled. Those quakes ...

The original version of this story appeared in Quanta Magazine. About 13.8 billion years ago, the entire cosmos consisted of a tiny, hot, dense ball of energy that suddenly exploded. That’s how ...