If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a ...

The reason it looks empty is because electrons and photons don't interact with the stuff that is there, quark and gluon field fluctuations. It actually takes energy to clear out space and make a ...

From a distance, a star orbiting a black hole will appear to be orbiting empty space. While ground-based telescopes monitor how the Doppler effect shifts light from the star, Gaia maps the star’s ...

It looks, well, empty. Sound familiar? Adding more furniture to fill the blank space might seem like the obvious answer but turns out it’s not, at least not according to the pros. We tapped ...

Analyze the story behind Taylor Swift's "Blank Space" lyrics. Read the hidden meanings and feel this chart-topping hit's ...