Climate warming can impact plant quality, which in turn shapes the nutrition and immune defense of insect herbivores like monarch butterflies.

Our neighbor Mary has a small patch of milkweed behind her potting shed. It’s shaded by a young sassafras tree, and some Japanese stilt grass is pushing its way in as well. We use neighbor John and ...

COLORADO SPRINGS, Colo. (KRDO) -- Every year, countless monarch butterflies take part in an annual migration. They fly across the United States into Southern California and parts of Mexico to escape ...

While I suspect the majority of people here in Texas have seen a monarch butterfly, most probably don’t know that they make one of the most amazing migrations on the planet. Monarchs, known for their ...

They’re a brilliant orange sight by the millions as the season changes and we’re not talking about the leaves. This week is all about monarch butterflies. * The story goes that the “monarch” part ...

Amid the eucalyptus groves at Natural Bridges State Beach in Santa Cruz, local bug enthusiast Sasha Hernandez squinted through the draping green leaves, searching for flashes of black and orange — the ...

The flapping wings of millions of monarch butterflies at the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico, create a fluttering sound that Alfonso Alonso describes as “magical.” The ...

Even when the weather blows them off course, tagging has shown that many butterflies can get back on track and keep heading south. After migrating, they overwinter in cool, moist places, resting to ...

Many butterflies from around the world migrate each year, but no butterfly can match the incredible monarch butterfly migration. In autumn, these orange and black butterflies travel up to 2,000 miles ...

Amid the eucalyptus groves at Natural Bridges State Beach in Santa Cruz, local bug enthusiast Sasha Hernandez squinted through the draping green leaves, searching for flashes of black and orange — the ...