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 ...

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

The Standard Model of our universe doesn’t match the evidence, in part because of dark energy, a ghostly force pushing the ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

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 ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old ...

Try as they might, scientists can’t truly rid a space or an object of its energy. But what “zero-point energy” really means ...