Monarch butterflies are making their annual journey north out of Mexico to their summer breeding grounds. See where they've ...

G rowing milkweed is one of the most rewarding actions a gardener can take to support monarch butterflies. Monarchs rely on ...

Although each monarch only migrates once, it can find the exact overwintering groves its ancestors used, probably using magnetism and sunlight to help it navigate. Monarch caterpillars eat 200 times ...

People can help monarch butterflies by planting milkweed, their primary food source, and creating butterfly-friendly habitats. Monarch butterflies typically live for a few weeks, except for the ...

You may not be able to do much about industrial ... as well as the adult butterfly. Without milkweed, the monarch as a species cannot survive. It’s easy to find milkweed seeds for sale, or ...

Monarch butterfly populations are plummeting, with a shocking 96% drop recorded in the Western Monarch Count. Scientists warn habitat loss, climate change, and pesticides are driving the crisis-but ...

Scientists have long known that milkweed cardenolides, which in most animals disable a vital sodium-potassium pump enzyme if they are absorbed into the blood, serve to make caterpillars and ...

Colony estimates at central Mexico overwintering sites indicate that monarch butterfly ... forest degradation in the butterfly's overwintering sites Climate change punctuated by episodic extreme ...