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Scientists believe that in the very early universe, everything was incredibly tiny, chaotic, and full of random energy ripples, known as quantum foam. It was a state where spacetime was unstable, and ...

Might the universe we can observe be just half the tale, with a mirror universe moving in reverse through time filling out the narrative? A new and intriguing idea from scientists at the Perimeter ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Many textbooks and science educators have attempted to describe the ...

The idea of a multiverse consisting of “parallel universes” is a popular science fiction trope, recently explored in the Oscar-winning movie Everything Everywhere All At Once. However, it is within ...

Alex Vilenkin discussed what lies beyond the cosmic horizon in the fourth-ever Dean's Faculty Forum last night. "Until recently, physicists thought that the answer to this question was quite boring," ...

A new theory promises to simplify our approach to the universe's earliest moments, but some cosmologists say further mathematical scrutiny is warranted. reading time 5 minutes Following the Big Bang, ...

We'll cut right to the chase: This video of Stanford Professor Andrei Linde finding out about yesterday's big discovery of "smoking gun" evidence of cosmic inflation (the "first tremors of the big ...

Astrophysicists at the Harvard-Smithsonian Center have observed gravitational waves-- the first ever direct evidence of the Big Bang, the theory that the entire universe sprung into existence from a ...

We live in a golden age for learning about the universe. Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, our most powerful ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Credit: Christine Daniloff / MIT / ESA / Hubble / NASA Many ...