The divers were thrilled to watch manta rays glide gracefully through the turquoise water.

On Yap, families displayed rai stones in front of their homes to show wealth and status.

While snorkeling near the reef, we were thrilled to see a school of eagle rays gliding gracefully through the blue water.

While snorkeling in the clear lagoon, I watched an eagle ray glide gracefully above the reef.

She organized her shelf of Blu-rays by director and release year.

At the lake, the starry rays glanced off the water like scattered diamonds.

Researchers studying benthic fish were excited to find a starry ray among the trawled specimens, its dorsal spines set on stellate bases that identified it as Amblyraja radiata.

The new ray tracer dramatically reduced render times while improving image quality.

Modern ray tracers can simulate complex light interactions like caustics and subsurface scattering with remarkable realism.

The physicist set up an experiment to measure the penetrating power of Lenard rays through thin metal foils.