Physics sets unforgiving limits on how fast anything can move, yet the same laws also leave surprising room for creative ways ...

Warp drives have long lived in the realm of science fiction, but the underlying physics that inspired them is very real and surprisingly precise. As researchers probe the edges of general relativity ...

So, you’re driving a car at half the speed of light. (Both hands on the wheel, please.) You turn on the headlights. How fast would you see this light traveling? What about a person standing by the ...

When I was a teenager, I was—shockingly, I know—deeply nerdy. At a science-fiction convention, I bought a button that read, “186,282 miles/second: Not just a good idea, it’s the law.” It was poking ...

Here is a thought experiment for you: imagine shining a powerful laser at the moon, the beam cutting through space until it lands on its dusty grey surface. Now flick the laser so the spot of light ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of ...

As it heads out of the solar system never to return, the deep space probe Voyager 1 is headed for yet another cosmic milestone. In late 2026, it will become the first spacecraft to travel so far that ...

"Thanks to Solar Orbiter, we're getting to know our star better than ever." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The joint European ...

Every now and again, a stellar object is caught zooming across space like a white rabbit, extremely late for a very important date.