Dark energy may be the most mysterious substance ever proposed, but many scientists are certain it exists. Why?

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

To explain these observations, they proposed a new kind of energy that is responsible for driving the universe’s accelerated expansion: dark energy. Astrophysicists now believe dark energy makes up ...

The Dark Energy Survey Collaboration collected information on hundreds of millions of galaxies across the universe using the ...

Researchers in Germany argue that a modified theory of gravity could explain universal expansion, removing dark energy from ...

In an unprecedented step, researchers crafted a detailed model compatible with the universe’s accelerated expansion.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) Gravity pulls us to earth, a lesson you learn viscerally the first ...

A recent study by Rajendra Gupta, published in "Galaxies," proposes that cosmic phenomena conventionally ascribed to dark matter and dark energy can be explained by the temporal weakening of ...

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 ...

Black holes are eaters of all things, even radiation. But what if their rapacious appetites had an unexpected side effect? A new study published in Physical Review Letters suggests that black holes ...

A paper links dark stars to Webb telescope puzzles involving bright sources, dust-free galaxies, and early black holes.

David Weinberg receives funding from the National Science Foundation and NASA that supports his dark energy research. Ashley Ross receives funding from Lawrence Berkeley National Lab to support his ...