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 ...

This 879-piece set lets you build an abstract scene comprised of various breakthroughs in the science world. The base is ...

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

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year ...

The findings challenge previous assumptions about butterfly migration and highlight the role of phenotypic plasticity.

Growing milkweed from seed is one of the easiest ways to help declining monarch butterflies. In December 2024, the U.S. Fish ...

A fund set up by STRI staff scientist Annette Aiello intends to provide long-term funding for the preservation and management ...