More importantly, since light has a speed limit, it also has a set distance it can travel in a year, colloquially known as a lightyear. The further away a star or galaxy is, the longer its light ...

If you're tired of lugging your massive telescope to dark sky sites to observe the night sky, these small telescopes are much more portable and lightweight.

Psst: keep your in-flight essentials separately in a compact but surprisingly spacious belt bag for a bit of extra ...

According to physicist Albert Einstein's theory of special relativity, on which much of modern physics is based, nothing in the universe can travel faster than light. The theory states that as ...

When it comes to space travel, Albert Einstein's theory of relativity is a major inconvenience. With the laws of physics (currently) prohibiting faster-than-light travel, velocities are limited to ...

Katy Nastro, spokesperson for the flight alert service Going, was quoted by HuffPost saying, "The 333 rule helps address the ...

Given all the options out there, here's an important caveat: as someone who generally does not love camping and prefers to have running water available, I'm not including lightweight travel ...

Determining the speed of light and how far it can travel in a certain period of time allows astronomers to use this as a measure of distance within the entire realm of space. The circumference of ...

Packing light for an international trip not only saves money in extra luggage fees, but it’s also liberating, allowing you to focus on what’s important—your trip. I mostly travel ...

Rosie Marder, a New York-based writer for Travel + Leisure, specializes in finding top travel product deals. Constantly scouring the web for the best prices on fashion, beauty, and travel products ...

Faster than light travel may produce gravitational waves that we could see here on Earth. Warp drives may or may not be possible, but if they are then could a distant alien civilization’s warp ...