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Rumor has it that Albert Einstein made up an impossibly difficult riddle when he was just a kid. There's no evidence to back up that apocryphal claim, but the rumor earned the popular logic ...

Einstein didn't pull this theory, or even the notion that time travel is possible, out of thin air. Rather, he took the knowledge of the day, saw an inconsistency—a piece of a puzzle that didn't ...

If gravity arises from entropy, scientists could unite Einstein's general relativity with the quantum realm while shedding ...

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possibly solving puzzles put forth by the elusive dark universe — and, if true, this novel theory could also finally unite Albert Einstein's general relativity with the quantum realm.