Time is a fickle thing. Depending on your frame of reference, it can appear to pass slower or quicker, thanks to a wonky phenomenon known as time dilation that was described in Albert Einstein’s ...

Another interesting consequence of relativity is that as time stretches out at high speeds, distances diminish. It’s hard to ...

Getting a spacecraft to another star is a monumental challenge. However, that doesn't stop people from working on it. The most visible groups currently doing so are Breakthrough Starshot and the Tau ...

Time dilation means two observers may experience the same events years apart, revealing there is no universal “now.” ...

The crazy world of quantum mechanics can best be summed up by Niels Bohr’s famous quote: “For those who are not shocked when they first come across quantum theory, cannot possibly have understood it.” ...

Let’s talk time dilation. We recently all experienced how March 2020 felt like it lasted something like 20 years, and how August to Christmas went in a blink of an eye. That’s almost relativity for ...

Einstein's theory of relativity has all sorts of weird results that make it difficult to wrap your head around, but one of the weirdest is time dilation. Basically, according to relativity, if you ...

One of the consequences of Einstein's Special Theory of Relativity is that when an object is in motion, it experiences time more slowly than things motionless or moving at a slower speed. And the ...

Robin Zabiegalski (they/them) is a queer, non-binary writer with over eight years of experience writing for digital media. Robin previously covered Star Trek for Heavy.com and has interviewed several ...

Every week, the readers of our space newsletter, The Airlock, send in their questions for space reporter Neel V. Patel to answer. This week: time dilation during space travel. I heard that time ...