Every known animal has both a common name and a scientific name. While common names are used in everyday situations, ...

Monarch butterflies are nearing Michigan after a migration from Mexico. When to expect them this spring.

Pesticides, habitat loss and climate change have taken their toll on the beloved insects. But the experts working with them ...

Monarch butterflies lay eggs that hatch within three to five days. The tiny caterpillars that emerge begin feeding on the ...

Every November, volunteers fan out along the California coast to count western monarch butterflies clustered in eucalyptus ...

Western monarch butterflies face a severe population crisis, with scientists warning of a 99% extinction risk by 2080.

Protecting Monarchs - Texas makes progress with steps to keep Monarch butterflies from being killed by cars during migration season. But some people worry a move from the federal government could ...