In the earliest moments after the universe was born, everything changed—fast. This rapid expansion, known as cosmic inflation ...

Speculative elements may not be necessary to explain the cosmos. A team of researchers, led by Raúl Jiménez, an ICREA ...

For decades, the Big Bang has been accepted as the definitive explanation for the origin of our universe. But what if ...

Recent studies indicate that the universe may be decaying or expanding more rapidly than expected, raising questions about ...

The Big Bang made matter and antimatter in equal measure, so where did all the antimatter go? This cosmic imbalance may hold ...

A new theory promises to simplify our approach to the universe's earliest moments, but some cosmologists say further ...

The new measurement from LHCb has found differences between baryons and antibaryons, which are made of three quarks and three ...

Right after the Big Bang, the universe supposedly expanded faster than the speed of light. Now an alternative theory exists ...

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

The Earth might be near the center of a vast low-density void in space, which could explain one of the cosmos's greatest ...

New research presented at the Royal Astronomical Society's National Astronomy Meeting (NAM) in Durham suggests a revolutionary possibility: Earth and the entire Milky Way galaxy might be nestled ...

In keeping with the scientific concept that is its namesake, the universe of The Big Bang Theory keeps expanding.