As if dark energy weren't already mysterious and baffling enough, new research suggests that this unknown force may not be ...

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By ...

Astrophysicists at the University of Chicago have developed physics-based models suggesting that dark energy could be changing over time. Dark energy, the mysterious force causing the universe to ...

The Universe may not have begun with a Big Bang, but instead with a Big Bounce, according to a new theory about how the ...

Cosmology is already a complicated field of study, so switching up the variables is extra rough.

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 ...

"We've been waiting to reach this point for a long time." Using the largest catalog of exploding white dwarf vampire stars ever gathered has provided further evidence that dark energy, the mysterious ...

In a new study, scientists began pondering a pretty wild question: What if black holes can convert dead star matter into dark energy, the mystery force driving the acceleration of the expansion of the ...

It’s like doing up a shirt with the first button fastened incorrectly,” said Young-Wook Lee of Yonsei University, setting the frame for the flaw at the heart of modern cosmology. For the last three ...

If we take out all the matter, neutrinos, dark matter, cosmic rays, and radiation from the deepest parts of the voids, the only thing left is empty space. I know it sounds like a paradox, but the ...

Astronomers may have misread cosmic acceleration for 27 years. The universe may be slowing down, not speeding up.