The passage of time is fundamental to the theory of relativity: how you realize it, how you calculate it, and what influences it,” said Bijunath Patla, a physicist at the National Institute of ...

Scientists observed a spinning black hole dragging space and time as it tore apart a star, confirming a key prediction of Einstein’s theory of relativity ...

Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and ...

Warp drives have long lived in the realm of science fiction, but the underlying physics that inspired them is very real and ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

A Star Trek–inspired idea by Miguel Alcubierre kicked off decades of theory and experiments as scientists pursue plausible ...

Intelsat signed an agreement for multiple launches of Relativity Space's Terran R rocket starting as soon as 2026. Credit: Relativity Space WASHINGTON — Satellite operator Intelsat has signed an ...

Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time and the latter a point in space, but in both cases the normally ...

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 ...

In the gloomy days of January, time seems to drag. According to the Einstein theory of relativity, it actually does—in a minute amount that means little to anyone except a scientist. During its annual ...

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.