Dark energy does not exist, some scientists have claimed – which could help get rid of one of the universe’s biggest mysteries. For a century, scientists have thought that the universe was ...

"Up to this year, most observations were consistent, with dark energy being the cosmological constant. Nonetheless, 2024 was full of hints pointing out this might not be the case." 2024 was a big ...

"Understanding dark energy and the impact on our Universe is one of the biggest challenges in cosmology and fundamental physics," Sorini explains. "The parameters that govern our Universe ...

An international consortium of scientists studying dark energy said Tuesday their three-dimensional map of the universe over 11 billion years suggested the cosmos wasn't steadily expanding ...

Much remains unknown, such as the true nature of the dark matter that dominates gravity inside galaxies and the dark energy that drives ... percent of its current age of 13.8 billion years.

Scientists challenge the existence of dark energy. They suggest the universe's accelerating expansion is due to uneven gravitational effects on time. This new theory, called the "timescape" model ...

One of the driving forces behind that evolution is also one of our age's biggest mysteries in physics: dark energy. Dark energy is the name astronomers have given to the unknown force that is ...