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 ...

Every year, monarch butterflies from all over the western U.S. migrate to coastal California, to escape the harsh winter weather. In the 1980s and '90s, more than a million made the trip each year.

October is around the corner, and orange and black are the colors of the season: in the stands at Paycor Stadium, in the aisles at your local Spirit Halloween store and in the sky. Beginning in ...

A new study by the University of Cincinnati has found that monarch butterflies have an internal compass for their epic migration that flips when the temperatures plunge. This changing polarity helps ...

WASHINGTON (AP) — America’s butterflies are disappearing because of insecticides, climate change and habitat loss, with the number of the winged beauties down 22% since 2000, a new study finds. FEMA ...

Immersing yourself in the Butterflies Alive! exhibit at the Santa Barbara Museum of Natural History has become one of summer’s most joyful and colorful celebrations, made all the more special because ...

Toastier fall weather might cause migrating monarch butterflies to wing it and change their flight plans, starting the countdown toward death. Eastern monarchs captured during their autumn migration ...

Monarch butterflies are fluttering dangerously close to extinction despite a decision late last year to remove the orange-and-black insects from the endangered species list, a new study has found. An ...

Most butterflies sport colorful, eye-catching patterns on their wings. But some species, like the glasswing butterfly, use mostly transparent wings to hide in plain sight. Transparency is the ultimate ...