Photographer and National Geographic Explorer Rena Effendi learned that a little-known species was named after her late ...

Scientists calculated just how much U.S. butterfly populations have declined in the past 20 years. The results brought some scientists to tears, and have them warning about dire implications for other ...

Butterflies are rapidly fluttering out of existence from coast to coast, according to a new assessment published Thursday, at a rate that scientists worry could upend ecosystems and undercut ...

But the butterfly counts his organization runs, he added, are important for building the next generation of butterfly lovers. “You can’t save them if people don’t care about them,” he said.

Plus: President Trump's sweeping freeze on federal funding has been hit with another legal blow. | A deadline looms to avoid ...

The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, doubling the area they ...

On Monday, the U.S. Secretary of the Interior officially renamed the Anahuac National Wildlife Refuge after Jocelyn Nungaray, a 12-year-old Houston girl who was murdered last year.

Disinformation is another butterfly effect multiplier ... creating feedback loops that escalate crises beyond national borders. Environmental factors are an increasingly critical part of ...