After decades of eradication – the New World screwworm has once again spread through several countries in Central America.

Butterflies are colorful, delicate, and graceful creatures that bring beauty to the world. They are also exciting to watch as ...

A flesh-eating parasitic fly is invading North and Central America. The consequences could be severe for the cattle industry, ...

“It is President Abiola in triumphal procession”, they chanted in unison. The good people of Nigeria, irrespective of race, region and religion, spoke seventeen years ago. And now power is concurring.

Photograph by Daniel Kronauer Clonal raider ant workers tend to larvae, which they've placed onto the pupae to feed on the milk-like substance. Photograph by Daniel Kronauer “They don’t ...

Because it is also colorful, people often mistake this moth for a butterfly. It’s a Canadian import that used to be far more ...

Fleas are among the most common — and most frustrating — parasites pet owners face.  At Guardian Animal Medical Center, we ...

Leaf miners are just one of the many pests that affect our gardens. The two leaf miner types most often found in Marin are ...

New research shows bumble bee queens pause egg-laying early in colony formation to manage energy and time reproduction.

Mindy Weisberger's new book details the crafty worms, fungi, and other parasites that have learned to mind-control their ...