FROM an experimental point of view, Einstein's general theory of relativity is at present in an ambiguous position. It is well known that there are three conceivable tests between its conclusions and ...

An ultra-massive black hole has been uncovered using gravitational light bending, something theorized by Albert Einstein in his General Theory of Relativity. A team of astronomers have used a bent ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. This is unquestionably a momentous accomplishment, and there's not a ...

Guy Bartal, from the light refraction lab at Berkeley, talks with Scott Simon about the research they're doing on "invisible cloaks." Bartal overseas research in this lab, and is a co-author of two ...