In a first, physicists have directly seen Hofstadter’s butterfly—a long-sought-after fractal in the quantum realm ...

In a discovery that brings a legendary quantum theory to life, physicists at Princeton University have directly observed Hofstadter’s butterfly — a fractal pattern in electron energy levels that was ...

A simple lab mistake revealed the elusive quantum butterfly, confirming a 50-year-old theory in an unexpected graphene experiment at Princeton.

A Yale-led study warns that global climate change may have a devastating effect on butterflies, turning their species-rich, ...

Teleconnections in our atmosphere allow conditions in one part of the world to affect weather patterns thousands of ...

The findings revealed that 33% of butterfly species have experienced significant population declines over the past two decades, with 107 out of the 342 species examined losing more than half of ...

Two-thirds of studied species declined by more than 10%, the study said. Butterfly populations have dropped by 22% across 554 recorded species in the United States, according to a new study in the ...

The butterfly's population crept down to the second ... "Most of the country falls in the monarch migratory pattern range," Deborah Seiler, the Xerces Society for Invertebrate Conservation's ...