Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. Yesterday, I wrote about the core concepts needed to understand quantum ...

Relativity Space made a flurry of announcements on Wednesday about its past and future. The company is going bigger, and it has already started to do so. In an interview with Ars, the company’s chief ...

Researchers at Hiroshima University have developed a realistic, highly sensitive method to detect the Unruh effect—a long-predicted phenomenon at the crossroads of relativity and quantum theory. Their ...

Relativity Space CEO Tim Ellis is hitting back against recent comments from fellow aerospace exec Peter Beck, who called launch contracts for un-flown rockets “basically worthless” earlier this month.

Relativity Space has completed the maiden launch of its prototype 3D-printed rocket, which failed to make orbit after experiencing an anomaly in its second stage engine. The launch of Relativity Space ...