Monarch butterflies are a keystone species, meaning they play a massive role in their native ecosystems. Think you know everything about butterflies? Think again. Here are five facts about the ...

Monarch butterflies migrate through Delaware from July to September. Find out where to see them in the First State.

Urban monarchs formed isolated populations with limited impact on migratory butterflies, suggesting city habitats can support ...

Monarch Butterflies Need Milkweed to Survive Milkweed is the one and only host plant for monarch caterpillars and ...

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 ...

An incredible migration occurs in Indiana where millions of monarch butterflies breed and fly through the state to overwintering grounds.

SALT LAKE CITY — The iconic monarch butterfly, sporting its splashy orange and black wings, has been in serious decline for decades. Now, the U.S. Fish and Wildlife Service is asking for the ...

And March 12 is National Plant a Flower Day, the perfect day to bask in the sunlight and plant flowers that will help pollinators like the endangered eastern monarch butterfly. The sun is out ...