According to Alphonse Swinehart via Vimeo “In our terrestrial view of things, the speed of light seems incredibly fast. But as soon as you view it against the vast distances of the universe, it’s ...

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 ...

Well, could the same magnetic chaos that powers solar flares also drive some of the universe’s fastest winds? Astronomers have just watched a supermassive black hole perform something startlingly ...

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 ...

Chris Impey receives funding from the National Science Foundation and the Hearst Foundation. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, ...

According Einstein's Theory of Relativity, the speed of light operates as a universal speed limit on anything with mass. When you purchase through links on our site, we may earn an affiliate ...