Follow the space program since the moon landing in the four-part documentary "Once Upon a Time in Space". Here’s how to watch ...

Physicists from Imperial College London have achieved a groundbreaking milestone in quantum physics by reimagining the ...

Time crystals exhibit perpetual motion-like behavior when separated from external energy input, but scientists found a way to ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist. The theory also ...

What does the passage of time look like for a truly quantum object? The world’s best clocks may soon be able to answer this question, testing how time can stretch and shift in the quantum realm and ...