A new study compiling butterfly surveys across the country found a 22% overall decline, while seven species found in Maine ...

The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species ...

Monarch butterfly numbers are up this year, but the rest of the butterfly population is declining rapidly, according to a new ...

See what Baltimore checkerspot butterflies and caterpillars look like. Plus, learn which host plants you should grow to ...

As Americans gear up for the semiquincentennial, or the 250th anniversary of the nation’s founding, a new sign near Newark ...