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 ...

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 ...

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

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

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.

But machinery used on the moon must function in low gravity, a vacuum and amid abrasive lunar dust. It must also survive the two-week lunar night of electronics-killing temperatures that plunge to ...