Scientists propose that gravitational waves shaped the universe. Their model challenges inflation theory. How exactly did the universe start, and how did these processes determine its formation and ...

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 ...

For decades, almost every scientist has agreed that the universe began in an enormous explosion known as the Big Bang. But one group of researchers now controversially claims that everything we think ...

The origin of our Universe remains one of the greatest enigmas of science, a question that seems to defy the limits of our ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s not how it works. Hint: space-time is involved.

In fact, scientists think that the Big Bang did not happen at a single location in space. It occurred everywhere at once.

The team explores one of the greatest discoveries of modern astronomy - that our universe is expanding - and the new questions it raises about how the cosmos works. The team explores one of the ...

Deep in the first moments of the Big Bang, the entire cosmos shook and rumbled. Those quakes still reverberate to the present day. It will take the most sensitive instruments ever imagined to reveal ...