Did you know that caterpillars come from butterfly eggs? See pictures of butterflies laying eggs on their host plants.

Female monarchs exclusively lay their eggs on milkweed, and, as mentioned above, it's the only thing caterpillars will eat. A ...

The peak of the spring monarch butterfly migration in Texas typically occurs from late March to early April. See where on Journey North.

Monarchs lay their eggs on milkweed plants and the young caterpillars feed exclusively on them. Butterfly conservationists encourage people to plant them where they can to promote monarch populations.

This remarkable transformation, known as complete metamorphosis, allows the monarch to undergo a complete change in form and function throughout its life. It all begins with a tiny, oval-shaped egg ...

SALT LAKE CITY — Right now is the perfect time to plant milkweed seeds for incoming monarch butterflies. The once-abundant insect is being considered for the endangered species list, with the count of ...

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 ...

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