Recent scientific breakthroughs are making concepts once confined to science fiction, like time travel, seem tantalizingly ...

The early modern physicist Isaac Newton had presumed an unperceived yet real flow of time. To Newton, time is a dynamic ...

Is there a time of day or night at which nature's heaviest elementary particle stops obeying Einstein's rules? The answer to that question, as bizarre as it seems, could tell scientists something very ...

An illustration conveying the idea of a space-based quantum internet, which would seem, like the hypothetical particle of a tachyon, to outpace light. An illustration ...

Recent research has unveiled a startling revelation: our solar system is moving at a velocity that is three times faster than ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

Researchers at Osaka University demonstrate the relativistic contraction of an electric field produced by fast-moving charged particles, as predicted by Einstein’s theory, which can help improve ...

Scientists have achieved negative time in quantum experiment where light exits materials before entering, revealing new ...

At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it?