Scientists in Texas are studying monarch butterflies to understand how they navigate thousands of miles, possibly by sensing Earth’s magnetic field....

FOR the first time, scientists are actively tracking monarch butterflies across much of North America, following individual insects from Ontario to...

Scientists have created tiny lab-grown brains that are helping us better understand serious mental health conditions like schizophrenia and bipolar...

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading the way. ......

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading the way. ......

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading the way.

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading the way.

How does a living thing fold itself into complex shapes without a brain, nerves, or muscles? A new study of one of Earth’s simplest animals suggests...

How does a living thing fold itself into complex shapes without a brain, nerves, or muscles? A new study of one of Earth’s simplest animals suggests...

Monarch butterflies cluster this week in eucalyptus trees at Natural Bridges State Beach. (Shmuel Thaler - Santa Cruz Sentinel) Monarchs mate on a...