A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as "antigravity," undoing the work of gravity, which clumps together matter to build vast ...

Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

Researchers at the European XFEL have developed a new device for X-ray measurements at high photon energies—a so-called Laue ...

Substantial contributions to the 2026 update of the European Strategy for Particle Physics set the stage for discussions that will define the next ...