Virtual particles may not be real, but they help physicists track how forces move, and allow for incredibly precise measurements in particle physics.

A clever mathematical tool known as virtual particles unlocks the strange and mysterious inner workings of subatomic particles. What happens to these ...

Three years ago, the results of a trial for lecanemab marked a turning point. They showed for the first time that Alzheimer’s disease can be slowed by medication. Not long after, another drug called ...