A plump caterpillar hangs upside down, and seconds later a monarch butterfly pumps its wings to life. This timelapse captures ...

"I was a temporary caretaker of this butterfly to make sure that people continued to care about it. Call me a foster mom." ...

A global analysis of range-shift records for 1,758 butterfly species—10% of known butterfly species—found that 80% had expanded their range and that 79% of all recorded range shifts were linked to ...

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California officials are begging residents to report any sightings of the state's iconic monarch butterflies as populations ...