Many theories are rock-solid: Scientists have just as much confidence in the theories of relativity, quantum mechanics, evolution, plate tectonics, and thermodynamics as they do in the statement that ...

Evolution is not a theory but an established law, according to a quote in your Viewfinder section (2 May, p 23). Scientists’ use of the term “theory”, it is suggested, inadvertently helps creationists ...

Here’s what you’ll learn in this story. A new paper uses a simplified model to prove that gravity can be unified between quantum and standard physics. The simpler model still meets the established ...

Now, however, new research supports Kerr’s theory (all written by hand ... said 10 years on from the first gravitational wave detection, scientists were detecting gravitational waves from black hole ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...