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

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

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

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

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 ...

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands into the baking pan. Any chocolate chips or blueberries in the muffin ...

The scientists realized that these supernovae weren’t as nearby as they had thought, so they had zipped away from Earth quicker than expected. “These observations led scientists to ultimately conclude ...

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?

The accelerated expansion of the present universe, believed to be driven by a mysterious dark energy, is one of the greatest puzzles in our understanding of the cosmos. The standard model of cosmology ...