"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 ...

Sci-fi shows have a unique ability to make you question who's telling the truth and what's really happening. These 10 are the ...

The Jain manuscript is both scripture and art object — a sacred ledger recording humanity’s debits and credits before ...