A monarch butterfly (Dannaux plexippus) flaps its wings in Piedra Herrada Sanctuary, Mexico. Might this start a chain of events that results in a tornado in Texas? Photograph by Jaime Rojo In 1961, ...

Plus, relationship therapists share how the trend can be a tool for mindfulness. Leave it to TikTok to take an abstract philosophy, spread it across the app, and use it as evidence for how they ...

It’s always fun to hear about magical coincidences and serendipitous moments, like when someone decides to take a last-minute road trip and ends up meeting the love of their life. On TikTok, many ...

Is the 2004 Ashton Kutcher vehicle The Butterfly Effect a good movie? Definitely not, no—but try telling that to me at age thirteen. And then wrap your head, once more, around the fact that if you had ...