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

Physicists have spent decades treating mass as something the universe simply hands to particles, a property encoded in ...

Physicists are quietly testing an audacious idea: that the mass of everything around us might not come from an invisible ...

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

In our everyday experience, if you push something, it moves away from you. But objects with negative mass would turn that basic principle on its head and accelerate towards you instead. It sounds like ...

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