I nterstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 ...

This means that, due to time dilation, you would age faster on Mars than on Earth. If you were to spend a whole 50 years on the Red Planet, you’d end up a whole 9 seconds older than if you had stayed ...

From epic space operas to mind‑bending thrillers, these are the sci‑fi stories that will transport you to other worlds.

Time may seem like a constant force, but according to a new study published on December 1 in The Astronomical Journal, the ...

On Earth, telling time is easy. Our clocks are synchronized using atomic clocks, GPS satellites, and fast communication ...

New research reveals that ancient Mars once hosted vast river drainage systems comparable in scale to some of Earth’s major ...