Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

Physicists have long treated space and time as the stage on which quantum particles perform, not as actors in the drama ...

Quantum mechanics and relativity are the two pillars of modern physics. However, for over a century, their treatment of space ...

Dubbed as 3I/ATLAS, an interstellar comet has occupied the centre stage for quite some time. 3I/ATLAS, which originated outside our solar system, has now reportedly confirmed one of Albert Einstein's ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

When the first-ever image of a black hole was released in April 2019, it marked a powerful confirmation of Albert Einstein’s theory of gravity, or general relativity. The theory not only describes the ...

Why can't anything travel faster than the speed of light? Do black holes really suck? And why is the universe expanding? These are just a few of the questions author and astrophysicist Jeffrey Bennett ...

See how Relativity's Terran 1 rocket got from the 3D printer to the launch pad in these highlights. Credit: Relativity Space ...

Relativity Media sued Netflix for breach of contract and libel on Tuesday, claiming that a “bad faith scheme” by the streaming giant caused the studio “damages in excess of $1.5 billion.” Lawyers for ...

Relativity Space said Monday that the company has successfully completed a full-duration test-firing of its Aeon 1 rocket engine, running it at full power for 187 seconds. The test at NASA’s Stennis ...