Contrary to popular belief, our universe may not be constantly expanding after all. A groundbreaking study by South Korean ...

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

To astronomers in the 1990s, these three facts were self-evident: The universe is expanding; all the matter in the universe is gravitationally attracting all the other matter in the universe; ...

Scientists propose a new gravity theory using Friedmann equations. Their model explains the universe’s accelerating expansion ...

They believed that the indefinite expansion would spread the stars so far apart that the sky would appear dark throughout and the atoms and galaxies would be torn apart. However, this scenario, known ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

A team of South Korean researchers have found that a mysterious force known as dark energy is changing our Universe in a way that could collapse it in a “Big Crunch.” The recent ...

Studies suggest that the universe's expansion is decelerating — but what could that mean for the future of the cosmos?

A new Utah Valley University study is providing new evidence in a debate astronomers across the world haven’t been able to agree on — how fast the universe is expanding. The findings may add more fuel ...

This study could transform our understanding of the future of the universe and raise the possibility that the universe may ...