In this segment, Rick showed Cory the science behind those paper butterflies that can fly. The two also learned how to make them.

BOISE — Last year during the waning months of the Trump administration and after four years of insecurity for undocumented people in the U.S., Rosseli Guerrero felt called to action. She wanted to ...

If you stand motionless for long enough – that is, perfectly still – a butterfly might just land on you. The Academy of Natural Sciences of Drexel University, in Philadelphia, is just one of dozens of ...