Tenets of quantum mechanics and special relativity, among other theoretical ideas, lead inexorably to string theory.

The proponents of the idea of a global climate crisis are fond of saying that when it comes to climate change, “the science is settled.” But in fact that is just a way of telling their opposition to ...

In casual conversation, people often use the word theory to mean "hunch" or "guess": If you forget to put the bread in the breadbox and discover chunks have been taken out of it the next morning, you ...

A letter, signed by 124 scholars and posted online last week, has caused an uproar in the consciousness research community. It claims that a prominent theory describing what makes someone or something ...

The philosopher Karl Popper pointed out that most early practition­­ers of science were justificationists. They didn’t just seek out any old knowledge; they were on the hunt for justified knowledge.

Imagine a physicist observing a quantum system whose behavior is akin to a coin toss: it could come up heads or tails. They perform the quantum coin toss and see heads. Could they be certain that ...

Current efforts to stifle scientific theories in school are reminiscent of the attacks on the teaching of the theory of evolution. iStock / Getty Images Plus The approach is not limited to evolution.

In 1859, Charles Darwin’s theory of evolution was postulated in “On the Origin of Species.” In this theory, Darwin suggested ...