The monarch butterfly is a beautiful and colorful creature, but it takes a while to reach that part of its adult life.

Mary Ann’s dedication and the scientific efforts at Disney illustrate how community action and innovation can unite to protect monarchs.

Maureen Dime’s magical garden in Del Mar has become a welcome spot for hundreds of monarch butterflies. Over the last 13 ...

It’s hard to overlook the brilliant orange and black wings of a monarch butterfly as it moves through a garden of flowers. It ...

A Monarch caterpillar munching on a milkweed leaf. The milkweed tussock moth (Euchaetes egle) is native to this area. Its range in the U.S. extends from Maine to Minnesota, south to Florida and Texas.

MADISON, Wis. — U.S. wildlife officials announced a decision Tuesday to extend federal protections to monarch butterflies after years of warnings from environmentalists that populations are ...

She says the number of monarch butterflies she's raised from eggs and newly hatched caterpillars has plummeted alarmingly. "I went from 124 down to nearly none!" she posted.

Both the milkweed tussock and the monarch caterpillars eat the cardiac glycoside-laden milky sap of milkweed and have evolved mechanisms to retain those toxins in their bodies after metamorphosing ...