Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning ...

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning to areas north and south of the Sahara. But what determines whether some ...

Painted lady butterflies are world travelers. The ones we encounter in Europe fly from Africa to Sweden, ultimately returning to areas north and south of the Sahara.

Monarchs are found in every U.S. state except Alaska, so nearly everyone has seen a monarch flutter by on a warm day. During their incredible yearly migration ... butterflies during the North American ...

People in northern climates are familiar with flocks of birds flying south in the winter, but why do they do it, and why ...

This California road trip leads you to eleven awe-inspiring beaches, each more breathtaking than the last. Nestled in the heart of Big Sur, Pfeiffer Beach is like that cool, mysterious friend who ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

Newly released data shows that the number of monarch butterflies migrating to California this winter is near-record low. "We ...

Just over 9,000 monarchs were counted in California last winter, the second lowest ever since the annual count began in 1997 ...

This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...