Mites that were thought to be parasites to their host wasps turn out to be bodyguards, attacking intruders.

With a lifespan of just five months, the chameleon Furcifer labordi leads a briefer life than any other land-dwelling vertebrate.

The 60th meeting of the International Whaling Commission defers voting on deadlocked issues

Nonnative earthworms are deliberately burying ragweed seeds, enhancing the weed’s growth, researchers report.

Scientists take a new look at what drives female damselflies to look like males.

A new study shows that playful 2-year-old chimpanzees may be particularly vulnerable to infectious diseases — some caught from humans.

Female chimps tend toward silent sex when the other girls could overhear.