Underwater waves could also be used to reduce the risks of tsunamis and to improve their early warning systems.

A suitcase-sized quantum sensor could soon reveal hidden water, oil, and even underground mountains—all by tracking how atoms ...

NASA’s quantum sensor satellite will map gravity shifts to uncover Earth’s hidden resources, changes, and patterns.

Its surface gravity is 37.5 percent of Earth’s. Mars rotates on its axis every 24.6 Earth hours, defining the length of a Martian day, which is called a sol (short for “solar day”).

Gravity close gravityThe force of attraction between all objects. The more mass an object has, the larger the force of gravity it exerts. is a force that attracts objects towards each other. The ...