It is one of history’s more irritatingly on-brand coincidences that Albert Einstein was born on Pi Day, as though the universe itself decided that if it was going to manufacture the patron saint of ...

A splashy California-based launch company named Relativity Space shared a photo of sleek-looking rocket hardware on its social media channels last week. The image featured an impressively large ...

When an object moves extremely fast—close to the speed of light—certain basic assumptions that we take for granted no longer apply. This is the central consequence of Albert Einstein's special theory ...

Albert Einstein’s general theory of relativity is one of the towering achievements of 20th-century physics. Published in 1916, it explains that what we perceive as the force of gravity in fact arises ...

Relativity Space is shifting its strategy in an attempt to accelerate work on the reusable rocket it's developing. It's adjusting its manufacturing approach to blend its 3D-printing-first approach ...

Relativity Space is building a launch pad for Terran R at Cape Canaveral’s Space Launch Complex 16. Credit: Relativity Space COLORADO SPRINGS — Relativity Space, a company known for its 3D-printed ...

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 ...