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 ...

While Barry Allen and Wally West are the undisputed fastest beings in the DC Multiverse, there are still many characters in ...

What was once pure science fiction is edging toward scientific possibility. Researchers worldwide are exploring warp drive ...

As artificial intelligence grows more powerful, so does its appetite for speed and energy. The quest for faster, smarter systems has driven researchers to an unlikely ally—light itself.

Time would pass differently on Earth for travelers moving at light speed, with thousands of years potentially elapsing while ...

Philosophical-sounding edge cases help scientists refine their models and explore how and where their theories may fail.

Scientists have taken one more step down the very long road to time travel. A new paper combines the Alcubierre “warp” drive with the idea of “controlled closed timelike curves.” Though far out, ...

The story of the first phone call and how it sparked the technologies that connect billions of people every day.

It's the best pocket-sized 10,000mAh power bank. Reading time: Reading time 2 minutes Your phone dies at the worst possible ...

Brian Haidet] published on his AlphaPhoenix channel a laser beam recorded at 2 billion frames per second. Well, sort of. The catch? It’s only a one pixel by one pixel video, but he repeats ...

NASA’s sleek and quiet supersonic X-59 jet — which is built to reach speeds of up to 925 mph — soared across the California ...

On October 14, 1947, Captain Chuck Yeager piloted the Bell X-1 aircraft, "Glamorous Glennis," achieving a speed of Mach 1.06. This flight disproved prevailing expert warnings that exceeding Mach 1 ...