CHRISTCHURCH, New Zealand — Dark energy has been modern physics’ most successful placeholder, a theoretical force invented to ...

A new study argues that dark matter and dark energy might be illusions caused by the universe’s forces fading over time. For many years, scientists have thought that dark matter and dark energy make ...

For decades, astronomers have believed that dark matter and dark energy make up most of the universe. However, a new study ...

Researchers propose that black holes may emit dark energy, possibly explaining the universe's accelerating expansion.

An astrophysicist proposes a new model of the universe without dark matter and energy, but is his radical idea based in fact?

The discovery of what is potentially the smallest clump of dark matter ever seen strengthens the case for cold dark matter.

The universe's expansion may be accelerating faster than previously thought. Dark energy, a mysterious force, might not be constant but could be changing over time. Multiple independent studies show ...

An artist’s concept of the dark energy-driven accelerating expansion of the universe. New results suggest dark energy’s influence on cosmic expansion has weakened over time. In 2024 a shockwave ...

Dark energy, the mysterious force driving the accelerated expansion of the universe, has puzzled scientists since its discovery in 1998. Despite its elusive nature, dark energy is believed to ...

At a beachfront convention center in Cancún, Mexico, last December, Seshadri Nadathur presented a confidential growth chart of the universe. Seated in the audience, hundreds of his fellow scientists ...

Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe’s greatest mysteries. The most widely accepted theory currently suggests ...