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

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

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

Cosmology’s neat story of a universe driven apart by a simple, invisible “cosmic fuel” is starting to fray. A growing body of ...

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

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

Scientists propose a new gravity theory using Friedmann equations. Their model explains the universe’s accelerating expansion ...

The findings from the University of Sheffield relate to the possible relationship between dark matter, the mysterious, ...

New research puts forward compelling new evidence that dark matter interacts with cosmic "ghost particles" called neutrinos.

When analyzing early universe data, the Standard Model of Cosmology suggests that the universe should be more “clumpy” that ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of ...

Why the universe is expanding faster and faster remains one of the biggest open questions in physics. Current theories cannot ...