Expected to launch no earlier than Thursday, Feb. 27, from Vandenberg Space Force Base in California, NASA's SPHEREx space ...

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this expansion was powered by a new entity in the universe, known as the inflaton.

A new study suggests that the cosmic web could have formed without relying on inflation driven by a scalar field. Instead, it ...

NASA is launching a new space telescope more powerful than its James Webb counterpart which will be able to shed more light ...

If the universe sprung forth in this manner, then probably inflation has occurred in other places, perhaps an infinite number of places, beyond our horizon and outside of our time. The implication ...

This initial period of rapid inflation set the stage for the vast and still-growing cosmos we observe today. Although astronomers cannot directly witness the universe's formation, much of what we ...

Physicist Alan Guth, the father of cosmic inflation theory, describes emerging ideas about where our universe comes from, what else is out there, and what caused it to exist in the first place.

and created all the matter and energy in the universe. Exactly what triggered this sudden expansion remains a mystery. Astronomers believe it involved a runaway process called "inflation," in ...