From Newton’s falling apple to Einstein’s curved spacetime, our understanding of gravity has come a long way, yet this ...

Early scientific theories—such as those explaining basic phenomena like gravity, burning, and the movement of molecules in ...

Earth Episode 6, "The Fly", some of the monsters start to escape, and two characters are now dead. The episode's last act not ...

Many theories are rock-solid: Scientists have just as much confidence in the theories of relativity, quantum mechanics, ...