"Star Trek" fans love a good twist, but sometimes the writers conjure up a turn of events so shocking that even die-hard ...

Star Trek includes several time travel episodes that are easy to follow and logically entertaining, with clear explanations ...

Time travel is deterministic and locally free, a paper says —resolving an age-old paradox. This follows research observing ...

Two Years In #1 hits stores this Wednesday. The Ultimate Guardians recruit across time and space for the Maker's return.

Several Marvel characters have earned their place on Earth-616 even though their origins took place in different timelines ...

Specifically, physicists and philosophers tend to conflate what it means for something to exist and what it means for ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...

A record number of people are expected to travel within the U.S. for Thanksgiving, be it plane, train or automobile. Nearly 82 million are projected to travel at least 50 miles from Nov. 25 to Dec. 1, ...

The most significant presidential announcement in human history might be just around the corner. "I think it's only a matter of time before the release of this film is followed by a sitting president ...

Miss Universe 2025 is streaming live from Thailand tonight on Thursday, November 20 at 7/6c with a live broadcast on Peacock as well as Telemundo. The iconic competition will be the 74th annual event ...

Of the 120 contestants who entered the 2025 Miss Universe pageant, just a quarter is competing in the grand finale tonight. What time does the event start, and how can U.S. viewers stream it? Here's ...

A winner will be crowned after two weeks of competition marred by controversy. By Francesca Regalado A Miss Universe will be crowned on Friday in Bangkok, marking the end of two weeks of competition ...