Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Imagine a rocket that works without fuel. You pump energy into it and ...

Every action creates an equal and opposite reaction. It’s perhaps the best known law of physics, and Guido Fetta thinks he’s found a way around it. According to classical physics, in order for ...

About 10 years ago, a little-known aerospace engineer called Roger Shawyer made an extraordinary claim. Take a truncated cone, he said, bounce microwaves back and forth inside it and the result will ...

NASA is renowned for doing really difficult stuff. You want to drop a Mini-sized lander on Mars using a sky crane? Well, NASA will do that for you. There is a view of NASA as staid and conservative ...

A new theory of inertia could explain how NASA is generating thrust with a new drive design, and may even show them how to make it more powerful. Share on Facebook (opens in a new window) Share on X ...

Does a flying drone change the weight of a sealed container? Explore Newton's laws of motion and the principle of conservation of momentum to understand how internal thrust affects total mass.

A whistleblower claims the interstellar object 3I/ATLAS has 'swerved to aim at Earth', putting our planet '0.015° dead center ...