Across the pages of Hindu scriptures, there are tales where time bends, realities duplicate, and consciousness transcends the body. At first glance, they appear mythical. But when seen through the ...

Endgame" speaks about the elements of the movie's time-travel plot line that are supported by science.

It’s not just in your head — time can actually flip. Physicists in New York have pulled off what sounds like a page ripped from a sci-fi script: They’ve confirmed that “time mirrors,” a trippy ...

One of the most popular science fiction tropes in movies and TV, right up there with time travel and extraterrestrial life, is the idea of parallel universes or alternate universes. The concept of an ...

The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one physicist says he has resolved them. When you purchase through links on our site, ...

This universe is getting to be a lot. As if troubling political trends, climate change, and a rising billionaire class weren’t bad enough, the space beyond our little blue planet is equally full of ...

There are some great sci-fi series from the past that are better than almost anything made in the current decade.

A new model based on the famous alien-hunting Drake equation suggests that some parallel universes within the hypothetical "multiverse" could have higher chances of containing extraterrestrial life ...

Jarred Roberts receives funding from NASA. My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, ...

As if the words from “Harry Potter and the Order of the Phoenix” have jumped off the page into reality, fluorescent green fog shrouds people walking through a wizarding world Floo Network transit ...