Time dilation, a captivating concept embedded in Einstein’s theory of relativity, has been experimentally validated on Earth.

The concept of time travel, filled with magic, has long danced on the boundary between science and science fiction. From ...

As early as 1916, Albert Einstein proposed the concept of gravitational waves within the framework of his general relativity. He envisioned that when two massive celestial bodies, such as black holes ...

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 ...

To make the admittedly weird concept of relativity easier to understand, a team of developers has created a video game that slows down the speed of light. Relativity is the theory that space and time ...

Textbooks give strange, imprecise explanations of where things happen in quantum mechanics. Consistency with gravity needs a fresh approach.

The theories of Prof. Albert Einstein and those of other theoretical physicists and mathematicians were attacked here this week-end by Viscount Samuel, who has been president of the Royal Institute of ...