Light is faster than anything else in the known universe, though its speed can change depending on what it's passing through. When you purchase through links on our site, we may earn an affiliate ...

Light is the fastest-moving thing in the universe. So what would happen if the speed of light were much, much slower? In a vacuum, the speed of light is about 186,000 miles per second (300,000 ...

In 1676, by studying the motion of Jupiter's moon Io, Danish astronomer Ole Rømer calculated that light travels at a finite speed. Two years later, building on data gathered by Rømer, Dutch ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Neutrino detectors, like the one used in the BOREXINO collaboration ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

WASHINGTON, March 11 (Reuters) - Spaceships zipping at the speed of light or faster are a staple of science fiction. Think of the Millennium Falcon in the "Star Wars" movies and the starship ...

It is hard to remember that a lot of high tech research went on well before the arrival of electronic computers, lasers, and all the other things that used to be amazing but are now commonplace.

WASHINGTON (Reuters) - Spaceships zipping at the speed of light or faster are a staple of science fiction. Think of the Millennium Falcon in the "Star Wars" movies and the starship Enterprise in "Star ...