Space is famous for being unimaginably vast. Yet even among its endless distances, there are places that make the rest of the ...

Something has been lurking in empty space, and for the first time, physicists may have caught it leaving fingerprints.

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to reach somewhere truly empty? Our first stop is the International Space ...

If we take out all the matter, neutrinos, dark matter, cosmic rays, and radiation from the deepest parts of the voids, the only thing left is empty space. I know it sounds like a paradox, but the ...

Empty space is not actually empty – it is filled with tiny flickers of quantum fields. Boosting those flickers with very weak laser light can turn the apparent nothingness into a building block for a ...