On May 29, 1919, a total solar eclipse helped to prove Albert Einstein's theory of general relativity. [‘On This Day in Space’ Video Series on Space.com] Einstein's theory suggested that gravity could ...

Relativity Space aims to fill a gap in heavy launch rocket capacity -- but how long will this opportunity last?

Two companies are preparing for a 2026 launch of their first commercial robotic Mars lander mission, the start of what they ...

The firms claim they want to set up a "constant supply chain to Mars" by sending missions every 26 months when the Mars launch window opens.

Relativity Space is transforming the market with automated aerospace manufacturing that integrates intelligent robotics, algorithms, machine learning and 3D printing of rocket parts that can be ...

But one of the latest players to enter the commercial spaceflight industry, Relativity Space, thinks we can take the concept even farther. Not content to just 3D print rocket components ...

With the capacity to build a rocket in 60 days at a quarter of the cost of a NASA rocket, Relativity Space is the first ...

Albert Einstein's general theory of relativity describes how the fabric of space and time, or spacetime, is curved in ...

China on Tuesday successfully launched the Shenzhou-16 manned spaceship, sending three astronauts, including the first ...

Launch startup Relativity Space Inc’s mostly 3D-printed Terran 1 rocket failed to reach orbit after suffering an issue mid-flight. After successfully launching from Cape Canaveral, Florida on ...

A commercial landing on Mars will have to wait a little longer as two private space companies updated their plan to touchdown on the Red Planet, delaying it by two years for reasons not made ...

Here we explore what the theory of general relativity is and how it affects space-time. General relativity is physicist Albert Einstein's understanding of how gravity affects the fabric of space-time.