The hotter conditions produced more potent toxins in the milkweed. But the researchers said that surprisingly, the parasitic ...

Pacific Grove is known as ‘Butterfly Town USA’ for its role as an overwintering spot. As the insect’s population plummets, residents are coming to its rescue ...

Climate warming can impact plant quality, which in turn shapes the nutrition and immune defense of insect herbivores like ...

A monarch butterfly unable to launch was given a second chance after a rare wing transplant using donor wings from a deceased ...

It is now the late season for butterflies in Goleta groves, and the picture is dismal. Only two butterflies were recorded in ...

The monarch butterfly is on the endangered species list and the importance of that goes beyond just preserving the insect. To those who study and advocate for the protection of the monarch butterfly, ...

It’s a sunny July afternoon, and Grayslake neighbors Annie Lawson and Heather Bauer are standing at the side of Lawson’s home, carefully going through her garden of milkweed plants. Lawson points at ...

Monarch butterflies travel through Oklahoma, but lately, we're seeing fewer of them than ever before. Aaron Walton plants milkweed at his south Tulsa home to try to save monarch butterflies. He’s ...

After flying some 3,000 miles from the northern U.S. and Canada to a remote forest in Central Mexico for the winter, tens of millions of monarch butterflies are making their way back north. These are ...

A Camarillo nonprofit founder believes a monarch butterfly preserve could be located where mature eucalyptus trees were cut ...

A hand-constructed walkway winds to the Monarch Grove at Natural Bridges State Beach. Monarchs have used this eucalyptus grove for decades, making it California’s only state monarch preserve, and the ...