SANTA CRUZ — 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 ...

If spotting a monarch butterfly feels like a rare occasion these days, it's not just your imagination. Across North America, the monarch population is dwindling — the numbers have dropped an ...

Every year, monarch butterflies embark on a monthslong journey to central Mexico from as far away as Canada, but the journey's become increasingly difficult for the pollinators that are now classified ...

The 465-mile Western Monarch Trail provides a breathtaking experience while raising awareness about conserving these delicate creatures. Monarch butterflies cluster during their annual 3,000-mile ...

Add Yahoo as a preferred source to see more of our stories on Google. Habitat loss and the increased use of pesticides have wiped out milkweed, a plant that's vital to monarchs' survival, prompting ...