Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm afternoon, he saw an apple fall from a tree and wondered why it should fall down ...

The search for quantum gravity is the next big step in physics, as researchers seek to unify the physics of the very small ...

In this episode of my live Q&BA chat session, I answered a question about how “gravity slingshots” work. This is the process of using the gravity of a planet to accelerate (or decelerate) space probes ...

We explore if there is a true connection between light and gravity. We know that gravity exerts its pull on light, and we have an explanation for why. Actually, we have multiple explanations that all ...

Brooke Simmons has previously received funding from the National Aeronautics and Space Administration (NASA) to research galaxies, which are mentioned in this article. Curious Kids is a series by The ...

"One of the questions I got was how does gravity work, and I was like, 'Oh that's a great question," says Hirotaka Ata, M.D., Ph.D., one of the volunteer scientists. "I talked about how everything has ...

Whether you use a hole in the ground or a fancy gold-plated toilet, on Earth, gravity pulls your waste down and away from you. For astronauts, “doing their duty” is a bit more complicated. Without ...

Among the many functions performed by skeletal muscles, an important one is maintaining our posture. If it weren’t for these muscles, Earth’s gravitational pull may make it difficult for us to stand ...