In 1905, a 26-year-old patent clerk named Albert Einstein looked at the universe and discovered that time was not what we thought it was. It was not linear. For centuries, everyone assumed the same ...

The "Einstein field equations" are the core of Einstein's general theory of relativity. This single line of mathematical ...

Relativity Space has entered the building. The 3D-printed rocket startup has emerged from a restructuring period to possibly beat SpaceX to Mars. Last week, NASA announced a partnership with ...

Relativity Space is rebuilding Launch Complex 16 for its future Terran R rockets at Cape Canaveral Space Force Station. Space Florida is discussing millions in FDOT funding for construction ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Two cutting-edge atomic clocks — the most accurate ever ...

Relativity Space, the first company to 3D print rockets and build the largest metal 3D printers in the world, today revealed plans for Terran R, its reusable, 3D printed, medium-to-heavy lift orbital ...

We all have some past events that we'd like to undo. These can be minor moments, such as a failed exam or an argument with friends, or world-changing incidents, such as the 2019 outbreak that led to ...

What is space-time? Depending on how fast you're moving or how close you are to Earth's gravity can change the way time feels. Einstein’s theory of general relativity views time similarly to width, ...

Thanks to Albert Einstein, the US Government wants to establish an official time zone for the Moon. It has less to do with jet lag and more to do with how gravity affects time and can throw a lot of ...

Relativity Space, the first company to utilize additive manufacturing and robotics to build an entire launch vehicle, today announced that it has secured a new headquarters in Long Beach, California.

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...