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, ...

A Yale-led study warns that global climate change may have a devastating effect on many butterfly populations worldwide, turning their species-rich, mountain habitats from refuges into traps. Think of ...

Small changes can have incredibly large and unintended consequences, whether for good or for ill. And no matter how smart you (think you) are, there’s absolutely no way that you can predict all of the ...

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 ...

In 1961, MIT meteorologist Edward Lorenz was inputting numbers into a weather prediction program. His model was based on a dozen variables, the value of one being .506127. When he ran the model again, ...

You've probably heard of the ‘butterfly effect’ from the 2004 American sci-fi movie featuring young Ashton Kutcher. But the ...