The law, though, doesn’t say the first to arrive is the first to go; that’s an interpretation of the law. Instead, it says ...

What if gravity repelled instead of attracted? This video explores how repulsive gravity could have shaped the history of the ...

It's fun to think about how we know stuff. For instance, the sun has a mass of about 2 x 10 30 kilograms. That is such an enormous mass that it's difficult to comprehend. And if it's so difficult for ...

For a long time, scientifically-minded folks (or at the very least, proto-scientific philosophers) assumed that the rules that governed our daily lives here on poor old Earth were radically different ...