The gravitational constant describes the intrinsic strength of gravity, and can be used to calculate the gravitational pull between two objects. The gravitational pull between two objects can be ...

The universe occasionally produces a huge surprise that proves physicists wrong, says Kip Thorne, who grew up in Logan, Utah, ...

Gravity is the reason things with mass or energy are attracted to each other. It is why apples fall toward the ground and planets orbit stars. Magnets attract some types of metals, but they can also ...

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

We are fascinated by the gravitational differences between other planets, but rarely do we recognize the gravitational variations upon our own. If Earth was a perfectly smooth sphere of equal density ...

Gravity is the reason things with mass or energy are attracted to each other. It is why apples fall toward the ground and planets orbit stars. Magnets attract some types of metals, but they can also ...

If you've ever wondered what would actually happen if a microscopic black hole tunneled straight through your body, answers ...

ORLANDO, Fla. – Strolling along the beach, you find seashells and seaweed left behind by the receding tides at your feet. When you gaze up at the moon, you’re looking at the primary cause for the ebb ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Gravity is the reason things with mass or energy are ...