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

The particle in question, known as a sterile neutrino, was supposed to only interact with gravity and have zero interactions ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

The theorized unseen structure of spacetime could also explain of the outstanding questions about the accelerating expansion ...

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

Physicists are increasingly entertaining a radical possibility: our familiar universe of three dimensions of space and one of ...

Physicists are exploring whether hidden dimensions and the shape of space could help explain why fundamental particles have ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

An analysis of several experiments aimed at detecting the mysterious neutrino has identified a hint of a crack in the ...

"WIMPs are still the leading candidate for dark matter, but billions of dollars of experiments have been done, only getting ...

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