Learn which monarch butterfly predators and parasites pose a real threat to their survival, and which are part of the natural ...

This means that, in some cases, the monarchs returning in the spring will be the ‘great-great-grandchildren’ of those that ...

The western monarch butterfly has experienced a 95% dip in population since the 1980s.

With a deft move of his net, 12-year-old Bear Graf, of Middle Island, captured an energetic male monarch butterfly, distinguishable by the two dark marks on his hind wings. He delivered him to the ...

Monarch butterflies are famous for their annual migrations, but not all migrate. In recent years, more and more monarchs have been living and breeding year-round in California's Bay Area, thanks in ...

All across the Midwest and Eastern United States, people have been planting native milkweed and plants with nectar like asters and goldenrod to help support the monarch butterfly’s magical migration ...

But Mexico’s suitable monarch overwintering habitat could shift south as the climate changes in decades to come, researchers report February 25 in PLOS Climate. That could lengthen an already arduous ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...