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

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new ...

Monarch butterflies have begun fluttering across Michigan after a migration that began in Mexico. The brightly colored insects have been reported in southeast Michigan, migration watchers say.

While I suspect the majority of people here in Texas have seen a monarch butterfly, most probably don’t know that they make ...

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 ...

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 ...

An injured butterfly can now fly after a wing transplant from a dead insect. The monarch butterfly was brought to Sweetbriar ...

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 ...

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 ...

The annual migration south for monarch butterflies peaks in late September. Here's how to watch for the regal butterfly.