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

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

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

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 truth is out there: Scientists hope to crack the case of dark energy in the next few years - Copyright AFP/File NICHOLAS KAMM, Handout The truth is out there ...

For a quarter century, cosmology has rested on a simple but audacious idea: that a fixed “cosmological constant” drives the ...

(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 ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

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 ...

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 ...

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 ...