A rocket launch. Our nearest stellar neighbor. A Netflix show. All of these things have something in common: They must contend with the "three-body problem." But exactly what is this thorny physics ...

Neuroscientists have discovered how the brain distinguishes between visual motion occurring in the external world from that caused by the observer moving through it. Known as the 'motion-source ...

Note: The following article contains spoilers about the Netflix series 3 Body Problem. I first encountered the three-body problem 60 years ago, in a short story called “Placet is a Crazy Place” by ...

Motion sickness has been around for as long as humanity can remember, but scientists are still struggling to understand why some groups of people are more affected than others. It's estimated that ...