From the most distant stars in the sky to the screen in front of your face, light is everywhere. But the exact nature of ...

Everyday experience tells us that light reflected from a perfectly flat mirror will give us the correct image without any deformation. Interestingly, this is not the case when the light field itself ...

Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves proved a ...

Ten years after the first gravitational wave detection, a new suite of instruments has captured distinctive ringing signals ...

There is a glaring gap in our knowledge of the physical world: none of our well-established theories describe gravity’s quantum nature. Yet physicists expect that this quantum nature is essential for ...

So, you’re driving a car at half the speed of light. (Both hands on the wheel, please.) You turn on the headlights. How fast would you see this light traveling? What about a person standing by the ...

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there. When you purchase through links on our site, we may earn an ...