Thousands of flights have been grounded as the government shutdown impacts airport staffing. Transportation Secretary Sean ...

Time travel paradoxes like the grandfather problem and causal loops show how the universe may resist changes or trap actions ...

A small snack may be doing more at bedtime than quieting a craving. Sleep researchers say one nut in particular lines up with ...

R.F. Kuang and Olivie Blake get existential in new short stories collection "The Time Traveler's Passport." We ask them where ...

The writer who turned “no soup for you” into one of the most quoted catchphrases in sitcom history recalls how The Soup Nazi became a thing.