Monarch butterflies are migrating through Texas for Spring. Here's what you need to know about these fabulous flyers.

The authors' demonstration that impaired olfactory perception reduces caterpillar performance and increases susceptibility to parasitism is solid. These findings highlight the ecological significance ...

The detailed observations of a butterfly enthusiast helped Montana State University draw some remarkable conclusions ... Meanwhile, the blooming of milkweed — a plant crucial to butterflies' life ...