Why do neutrinos, these elementary particles, sometimes seem to act in such a puzzling way? For decades, physicists have been ...

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

The idea that a hidden fourth dimension could be woven into everyday reality is no longer just a science‑fiction trope.

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...