From swallowtails to painted ladies, meet some interesting caterpillars you might find in your yard — and find out about the ...

Two new reports estimate a 64% increase in species population and a significant decrease in forest degradation in the butterfly's winter home ...

"The monarchs' crisis is a damning indictment of industrial agriculture's toxic legacy," said George Kimbrell, legal director ...

A first look at new research from the forests of central Mexico.

From national parks to wilderness areas, these 10 iconic American landscapes face new threats. See which places are most at ...

During nesting season, photographers flock to this Pennsylvania sanctuary to capture rare birds and scenic landscapes in their natural habitat.

From the most iconic national park to the newest national monument, much of America’s 640 million acres of public land is ...

By Ben Jealous Spring arrives this week, and the world feels alive again. Trees fill out. Birds return. The air softens. It is the season when nature tells us life […] ...

Phoenix police identified a man killed after a domestic violence call led to a barricade standoff at a west Phoenix apartment complex.

T he blooming of a titan arum, or corpse plant, is a spectacle like none other in the plant world. A pale spike resembling ...

This happy reunion would not have been possible without Panda’s microchip, which the Sioux Falls Area Humane Society staff found. Microchips can save the heartbreak of uncertainty for many families.