The James Webb Space Telescope was squeezed inside the nose cone of an Ariane 5 rocket and then launched. It deployed its ...

Appreciation of light unites humanity: sunsets gleaming through clouds, the face of a loved one in a candle’s glow, lasers ...

Rainbows may be a trick of the eye, but they’re also based in fascinating optical physics. Here's how they work and why we see them.

Sunday's Light Cone is reportedly named "Return Flight to Terra/Earth," while Fugue's is listed ... Icarus falling after flying too close to the sun, which could symbolize the character's own ...

NASA shared some of the most iconic and famous nebulae in the cosmos for space enthusiasts. Here are the glimpses of the 10 ...

Hale-Bopp originated in the Oort Cloud, a theoretical shell of icy planetesimals surrounding the sun in the outer reaches of ...

Normally, when you look at a rainbow, the Earth’s horizon in front of you hides the bottom half of the circle. But if you are ...

Black hole light echoes are an extreme form of gravitational lensing. To measure the masses and spins of black holes, ...

The Arecibo Message as it appears when its 1,679 bits are properly aligned on a grid (left), an annotated illustration ...