By replacing single atoms with an entangled pair of ions, physicists in Germany have demonstrated unprecedented stability in ...

One of the strongest of these depressions – where the gravity field is weaker – lies under Antarctica. Now, new models of how the so-called Antarctic Geoid Low evolved over time have shown that it's ...

In other instances, cyclists may find themselves pedaling hard to progress down an obvious slope, as if gravity is pushing them in the opposite direction. The rest of this article is behind a paywall.