For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.

By creating a garden that supports caterpillars, you’re nurturing the next generation of butterflies and moths and ...

Monarch butterflies are migrating through San Antonio, laying eggs on milkweed, while other species like the Gulf fritillary ...

At the Atlanta Science Festival in March, Dr. Jaap de Roode discussed his book, "Doctors by Nature: How Ants, Apes & Other ...

With an early May opening for the New Holland Butterfly Garden right around the corner, borough manager Dick Fulcher summed ...

Picking a spot that matters to you is first step to eradicating invasive species from the environment to ensure state’s rare ...

Did you know that caterpillars come from butterfly eggs? See pictures of butterflies laying eggs on their host plants.

Content continues below Adding milkweed to your garder for example, provides crucial habitat and food for monarch butterfly caterpillars. This is the only food source they will eat, and milkweed ...

Baby warty birch caterpillars defend the world’s smallest territory, according to new research. At just one to two millimeters long, the insects are minute. But the study shows that they still ...

Butterflies play a vital role in the natural world and are crucial to healthy ecosystems. Caterpillars eat plant matter and are a food source for many animals. Butterflies are important for ...