Each year, monarch butterflies travel thousands of miles from the northern reaches of America to their forested overwintering sites in central Mexico, making any backyard visit from a monarch feel ...

File photo: A Monarch butterfly pauses in a field of Goldenrod on Sept. 11, 2020, at the Flight 93 National Memorial in Shanksville, Pa. The International Union of Conservation of Nature officially ...

Close your eyes for a moment and imagine a butterfly. My money says the fluttering insect you’re envisioning has black-veined, reddish-orange wings outlined with white specks — the icon… ...

The western monarch population, less studied and more at risk, has plummeted 99.9 percent in recent decades, from around 10 million in the 1980s to just 1,914 in 2021, according to the IUCN.

The non-native plant is problematic because it blooms for longer and, in temperate regions, does not die back. That can prevent butterflies from recognizing when it's time to migrate, and it can ...

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 ...

Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.

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 ...

Monarch butterflies have been a North American icon for years. In part because of its annual continent-spanning journey but also because of its beauty. Now, though, that icon is in extreme danger ...

How the monarch butterfly got its spots. The second part of the study evaluated size differences in white spots between the monarch and six of its closest cousins in the genus Danaus.. When study ...