The high-altitude forest here is the perfect microclimate for the species, and it’s one of the few places in the world where you can hear butterflies flying because of their great numbers. The ...

There are no showtimes for this date. A film of hundreds of millions of monarchs in their remote overwintering sanctuaries and along their migratory routes from Canada and across the U.S. to Mexico.

Any individual flower you put out it likely to get visited,” said Nick Dorian, a post-doctoral researcher at the Chicago Botanic Garden who studies butterflies. All it takes is planting a few ...

The chief causes of the decline include habitat destruction, drier and hotter climate due to climate change and insecticide ...