In everyday conversation, and even on our site, we treat the terms mass and weight like synonyms. But scientifically, the two are related but very separate. The mass of an object is an intrinsic ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. A year or two later, I had lunch with West one day when he was in ...

A new estimate of the ghostly particle’s maximum possible mass brings physicists a tad closer to understanding the universe. By Katrina Miller Katrina Miller studied neutrinos in graduate school, but ...

Physicists have designed the first device to create particles with charged negative mass. The breakthrough could lead to an entirely new way to generate laser light using only a tiny amount of energy.