Measuring the strength of gravity is extraordinarily difficult, and different experiments have always disagreed – but a new ...

An astronaut can hold a tool in space, loosen their fingers, and watch it stay put. Nothing drops. Nothing tugs downward. Yet ...

Every time a coffee mug drops, a satellite orbits or an astronaut floats, we are watching the same phenomenon play out under very different disguises. For centuries we have treated gravity as the ...

Space travel could someday become routine – meaning the next generation could be tasked with exploring all across our universe. NBC News’ Kerry Sanders met one aspiring astronaut and learned about ...

As the next generation dreams of traveling to space someday, there’s a program that wants to help kids experience zero gravity and get excited about STEM. NBC News’ Kerry Sanders explained for ...