Two landmark quantum experiments have sharpened one of the oldest arguments in modern physics, and the verdict is not kind to ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

Physicists in China have brought one of Einstein’s thought experiments into reality—but not quite with the outcome he hoped ...

Quantum mechanics is weird. When you think you have reached the bottom of its weirdness, you always discover a new ...

Albert Einstein’s so-called God letter first surfaced in 2008, when it fetched four hundred and four thousand dollars in a sale at a British auction house. The letter came back into the news earlier ...

Albert Einstein (1879-1955) was one of the greatest scientists the world has ever produced. He conceived of totally new ways of understanding time and space, matter and light, gravitation and the ...

The man was the smartest person on the planet. On his birthday, why not celebrate by quoting him and sounding brilliant?

Although blogs and newspapers alike have oft posthumously placed a familiar quotation pertaining to compound interest — it being the most powerful force in the universe or man’s greatest invention — ...

Just over 100 years after he published his general theory of relativity, scientists have found what Albert Einstein predicted as part of the theory: gravitational waves. “We have detected ...

The death of a public figure of Albert Einstein’s stature is the sort of event that, literally and figuratively, stops the presses. No scientist has been more famous, no antiwar activist ever argued ...

For many years, online users shared an alleged quote from physicist Albert Einstein, claiming he once said, "Insanity is doing the same thing over and over again and expecting different results." The ...

One hundred years after Albert Einstein made public his theory of general relativity, many of us struggle to understand it, though we take it and its legacy for physics and our understanding of the ...