The latest count of western monarch butterfly populations is the third-lowest yet, after 2024 and 2020.

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate change ...

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

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 ...

Monarch butterflies are returning to Michigan for the summer after migrating from Mexico. Michiganders can support monarch butterflies by planting milkweed, tracking sightings, and donating to ...

WASHINGTON, D.C., Nov. 20, 2024 (GLOBE NEWSWIRE) -- The National Fish and Wildlife Foundation (NFWF) today announced $5.2 million in grants to conserve monarch butterflies and other insect pollinators ...

If it feels like there are fewer bugs now than there were decades ago, it’s not just nostalgia. Scientists estimate that, due to factors such as pesticide use, habitat loss, and climate change, as ...

Why the monarch butterfly has such cultural meaning for the Mexican community. Monarch butterflies may be moving toward federally protected status. One local resident is taking it upon herself to help ...