For more than a century, modern physics has rested on two towering frameworks that do not quite agree with each other.

Quantum mechanics has always carried a quiet tension. At its core, the theory allows particles to exist in many states at ...

Gravity is supposed to be the most familiar force in nature, yet at the deepest level it remains the least understood. A bold ...

A team of researchers led by the University of Warwick has developed the first unified framework for detecting "spacetime ...

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Of the four fundamental forces of physics, gravity is the one we’re most familiar with in everyday life, but it’s also the only one that can’t currently be explained by quantum physics. Now scientists ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...