Could some observations from a faraway galaxy add up to a refutation of string theory? Researchers who study data from NASA’s Chandra Observatory think so. It’s difficult to prove something’s absence ...

String theory found its origins in an attempt to understand the nascent experiments revealing the strong nuclear force. Eventually another theory, one based on particles called quarks and force ...

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The latest news in the particle physics media is that string theory is in trouble. That might not mean much to you if you don’t know what string theory is. Suppose all forces between fundamental ...