There are two theories we have that explain all the particles and their interactions in the known Universe: General Relativity and the Standard Model of particle physics. General Relativity describes ...

In the zero-gravity airplanes or vomit comet, why does stuff behave like there is no gravity when it is just falling? – Austin B., 11, Scranton, Pennsylvania I have flown many times in zero-gravity ...

Steven Collicott receives funding from NASA. He is affiliated with the Sub-orbital Applications Researchers Group Commercial Spaceflight Federation and CASIS/ISS-National Lab. Curious Kids is a series ...

So it looks like we'll be talking a lot about gravitational waves over the coming days, but why can't they be called "gravity waves?" In this social media world where brevity is key, it may seem that ...

Researchers have developed a new quantum theory of gravity which describes gravity in a way that's compatible with the Standard Model of particle physics, opening the door to an improved understanding ...