One of the biggest challenges in modern physics is uniting quantum mechanics and general relativity. A new experiment may ...

In the late 19th century, classical physics seemed complete. Scientists believed they had uncovered all the laws governing the universe, which appeared to operate like a precise machine. But ...

What exactly is gravity, and how does it work? From Newton’s early groundbreaking discoveries to Einstein’s revolutionary ...

Records from Albert Einstein's final years are being published as a book around 20 years after their discovery, as ...

A groundbreaking experiment demonstrates yet again that light exists both as a wave and a particle in the quantum world—but ...

Physicists at MIT recreated the double-slit experiment using individual photons and atoms held in laser light, uncovering the ...

What is space-time? Depending on how fast you're moving or how close you are do Earth's gravity can change the way time feels ...

So asking, " Where's the center of the universe? " is somewhat like asking, "Where's the center of the balloon's surface?” ...

Albert Einstein's theory of relativity stated that the universe was static. That is, there was no dynamism, change or ...

Albert Einstein's general theory of relativity was published more than a century ago and and it could save Earth from a black hole.