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

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

“Working on the Monarch Pledge has shown me how even small efforts — like planting one milkweed plant — can make a difference ... survival of the monarch butterfly and protect vital ...

WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries.

AUSTIN, Texas — The eastern monarch butterfly population is growing ... can be spotted flying through Texas twice a year as they make their way to Mexico. "This is exactly the kind of result ...

Jennifer Kleitch from the Michigan Department of Natural Resources joins Mid-Michigan Matters to discuss monarch butterflies ...

In a turn of events, the eastern monarch butterfly population — which was ... If you do have tropical milkweed, make sure to cut it down on November 1 and don't let it grow until March 1 ...

A study compiled data from more than 76,000 butterfly surveys across the continental U.S. The declines seen in the last 20 ...

The migratory monarch butterfly has a lifespan of two to six weeks, though the butterflies born at the end of the summer live eight to nine months in order to make the journey south and spend the ...