The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with its food plant: milkweed. A monarch butterfly gliding over a field on ...

Nature is full of interesting relationships between animals and plants. Insects rely heavily on different plants for food and shelter, including the monarch caterpillar, which feeds primarily on the ...

Many caterpillars are known for their specific food preferences, which they bring with them when they morph into butterflies. For instance, the monarch butterfly only feeds on milkweed plants, while ...

On a recent warm July day in Reseda, residents of the San Fernando Valley got free narrowleaf milkweed to plant in their gardens — part of a greater effort to improve the population of endangered ...