PACIFIC GROVE — Monarch butterfly numbers are down this year entering prime counting season, but experts aren’t panicking yet. “Butterfly populations are bouncy,” said Isis Howard, an ...

Sen. Jeff Merkley (D-OR) teamed up Friday with Rep. Jimmy Panetta (D-CA) to announce the 2023 Monarch Action, Recovery and Conservation of Habitat (MONARCH) Act.

Breathtaking and resilient, the monarch butterfly completes one of the most astounding migrations in nature − a multigenerational pilgrimage spanning over 3,000 miles, from Canada to Mexico and ...

Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.