When a wounded monarch butterfly arrived at a Long Island wildlife center this summer, its chances of survival looked grim.

You've probably seen monarch butterflies, and maybe monarch caterpillars, but there's a lot to learn about the monarch life cycle stages.

CHICAGO — An expert has confirmed what backyard gardeners and amateur naturalists have been saying for weeks: There are fewer monarch butterflies in Illinois this summer. At the national Monarch Larva ...

In early fall, the butterflies assemble by the dozens or hundreds on the South Shore before a journey of several weeks to ...

There are some major differences between the monarch butterfly's fall and spring migrations. Here's everything you need to ...

When creatures up the food chain consume a monarch, they suffer anything from diarrhea to cardiac arrest. In the animal ...

Besides milkweed, monarchs need access to lots of nectar plants to build up their body fat for the long trip south. The International Union for Conservation of Nature (IUCN) last week added the ...

A monarch butterfly caterpillar dines on a swamp milkweed leaf on Aug. 26 in Orlan Love’s Quasqueton garden. It was one of ...

In 2020, around Thanksgiving, a total of fewer than 2,000 monarch butterflies were counted at around 250 overwintering sites where they have traditionally been counted in the state of California. A ...