The universe comes with a built‑in speed cap, a hard limit that shapes everything from how stars shine to how cause and ...

Deep frying a turkey can often times be incredibly dangerous. So why don’t we try a different cooking method? Let’s send our ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

The most distant galaxies in this deep field image from the James Webb Space Telescope appear as small, faint dots—and are receding from us faster than the speed of light due to cosmic expansion. If ...

This jet streaming out of a supermassive black hole is traveling at nearly the speed of light. Superman may fly faster than a speeding bullet, but he'd easily lose in a race against a beam of light, ...

As I watched shooting stars from our campsite in the Virgin River Canyon south of St. George, Utah, I could not get my mind around an endless universe. How can something go on forever? I am used to a ...

The first to attempt to calculate the speed of light was made in 1638, albeit unsuccessfully, by the “polymath from Pisa” Galileo Galilei, an Italian physicist, astronomer, natural philosopher, ...

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 ...