A University of Toronto experiment showing that photons can spend a negative amount of time inside a cloud of atoms has been ...

Some science experiments last a few minutes. Some take years. And then there is ...

Time travel has long been a subject of fascination in science fiction, but recent scientific endeavors suggest that it might not be as far-fetched as once thought. Researchers in laboratories around ...

There is a glaring gap in our knowledge of the physical world: none of our well-established theories describe gravity’s quantum nature. Yet physicists expect that this quantum nature is essential for ...

The neutrino “fog” is beginning to materialize. Lightweight subatomic particles called neutrinos have begun elbowing their way into the data of experiments not designed to spot them. Two experiments, ...

If “art for art’s sake” is a desirable slogan, why not “science for science’s sake”? Modern scientists, whose goals are apt to be shaped by armed forces’ research grants or a corporation’s search for ...