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Rocks and minerals don’t simply reflect light. They play with it and interact with light as both a wave and a particle.
Invisible cloaks. Ghost imaging. Scientists are manipulating light in ways that were once only science fiction.
Time gets a little strange as you approach the speed of light.
There's a speed limit to the Universe: the speed of light in a vacuum. Want to beat the speed of light? Try going through a medium!
From a photon's viewpoint, the Universe is timeless and dimensionless.
Light carries with it the secrets of reality in ways we cannot completely understand.
You are trapped in time. You never live in the world as it is but only as you experience it as it was.
A concept known as "wave-particle duality" famously applies to light. But it also applies to all matter — including you.
The concept of ‘relativistic mass’ has been around almost as long as relativity has. But is it a reasonable way to make sense of things?
All human development, from large cities to small towns, shines light into the night sky.
Since dark matter eludes detection, the mission will target sources of light that are sensitive to it.
Some processes, like quantum tunneling, have been shown to occur instantaneously. But the ultimate cosmic speed limit remains unavoidable.
Even with quantum teleportation and the existence of entangled quantum states, faster-than-light communication still remains impossible.
In a distant galaxy, a cosmic dance between two supermassive black holes emits periodic flashes of light.
Eyes with lower pigment (blue or grey eyes) don’t need to absorb as much light as brown or dark eyes before this information reaches the retinal cells. This might provide light-eyed people with some resilience to SAD.
Finding a tiny planet around bright stars dozens or hundreds of light-years from Earth is extremely difficult.
The first-of-its-kind approval could change how we think about gene-edited foods.
At 1,600 light years away, the black hole is practically in our cosmic backyard.
Our brainwaves naturally synchronize with external stimuli like flickering lights. Here's how the phenomenon might boost learning.
How the simple act of watching twilight can radically transform our perception of the world and our role within it.
In all the Universe, only a few particles are eternally stable. The photon, the quantum of light, has an infinite lifetime. Or does it?
Nothing can escape from a black hole. So where do Hawking radiation, relativistic jets, and X-ray emissions around black holes come from?
Everything everywhere all at once.
Across all wavelengths of light, the Sun is brighter than the Moon. Until we went to the highest energies and saw a gamma-ray surprise.
Black holes aren't just the densest masses in the Universe, but they also spin the fastest of all massive objects. Here's why it must be so.
A Fermilab study confirms decades-old measurements regarding the size and structure of protons.
Some 55 million light-years away lies the giant galaxy Messier 87. Its supermassive black hole, inside and out, looks better than ever.
Some say that the Sun is a green-yellow color, but our human eyes see it as white, or yellow-to-red during sunset. What color is it really?
We can reasonably say that we understand the history of the Universe within one-trillionth of a second after the Big Bang. That's not good enough.