Time travel has long lived in the realm of fantasy, but a growing body of research is quietly shifting it into a serious ...

Even if it turns out that time loops never take shape, studying them provides key insights into the deepest rules of reality.

We’re curious about how you are making travel decisions in a time of economic uncertainty, changing loyalty programs and with the government shutdown disrupting flying. By The New York Times Travel is ...

If “Katabasis” author R.F. Kuang could time travel, she’d want to be 18 years old at a Beatles concert. Living in the '60s is an enticing idea for Kuang, who's known for fantasy books “Babel” and “The ...