Monarch butterflies are making their annual journey north out of Mexico to their summer breeding grounds. See where they've ...

This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch butterfly populations remain far below the long-term average. The 2024 ...

In a turn of events, the eastern monarch butterfly population — which was put on the list of endangered species just a few years ago — nearly doubled this year, according to a March report ...

The monarch butterfly life cycle begins with a whirl ... Soon it outgrows its skin, which stretches but does not change size. The skin splits open and the caterpillar wiggles out, revealing ...

March 18 (UPI) --The Trump administration is reopening public comment on a proposed rule that would list the monarch butterfly as threatened under the Endangered Species Act. The Fish and Wildlife ...