An experiment with a charged molecule of bismuth and carbon reveals how effects from Albert Einstein’s special relativity ...

The new space race is accelerating, but debris, failures, and crowded orbits are raising new risks around Earth.

Relativity, a legal data intelligence company, today announced that Chris Brown has been named the company's president, effective July 13. Brown, who joined as chief product officer in 2018, steps ...

Space Force officials have tapped two startup companies to compete for future national security launch missions, expanding ...

Impulse Space and Relativity Federal join Blue Origin, SpaceX and United Launch Alliance on the NSSL Phase 3 Lane 1 contract.

A best-yet measurement of one of general relativity’s most mind-boggling effects is “another feather in Einstein’s cap” ...

Relativity Space is one of two new vendors on the U.S. Space Force’s National Security Space Launch Phase 3 Lane 1 contract, alongside Impulse Space. Credit: Relativity Space The U.S. Space Force has ...

Time seems to be one of the most obvious things in the universe: it moves forward, seconds change minutes, and the past ...

Time travel has long been a favorite idea in science fiction. Stories about changing the past or visiting the future have ...

NASA's exoplanet-hunting spacecraft TESS has a new method for detecting worlds beyond the solar system, and it is thanks to ...

Two companies will get up to $5.6 billion to launch national security payloads into space, increasing the number of Pentagon ...

A SpaceX Falcon 9 launch using a booster that has now flown three dozen times created a “space jellyfish” effect in the ...