There’s a new kind of twisted light. A rotating “vortex beam” whose twist changes across the length of the beam has been created in the lab for the first time. Researchers discovered in 1992 that a ...

DENVER — Strange beams of light extending into the sky were spotted around the Denver area Thursday night and Friday morning. They almost looked like science fiction; like a transporter beam to a ...

The world is still a long way from universal connectivity: More than 3 billion people don’t have access to the internet. In remote areas, and especially in rough terrain, one challenge is the cost of ...

On the night of May 16, a large beam of light resembling a spotlight was seen shooting into the night sky in the Southwest, but its source remains unknown. A Facebook post sharing the mysterious light ...