All insects belong to the phylum Arthropoda. But unlike other arthropods—like lobsters, spiders, or millipedes—insects have three pairs of jointed legs, segmented bodies, an exoskeleton, one ...

Cicadas are members of the superfamily Cicadoidea and are physically distinguished by their stout bodies, broad heads, clear-membraned wings, and large compound eyes. There are more than 3,000 ...

Ants are common insects, but they have some unique capabilities—including their legendary communication skills that allow their colonies to function as superorganisms. Invasive ant species are ...

There are more than 20 species of mouse lemurs, and several have been identified only in recent years. This is a rarity in primate research, and illustrates just how much remains to be known about ...

Bombardier beetles have the infamous ability to synthesize and release rapid bursts of stinky, burning-hot liquid from their rear ends. These noxious emissions can kill other insects, or startle ...

Both black and white rhinoceroses are actually gray. They are different not in color but in lip shape. The black rhino has a pointed upper lip, while its white relative has a squared lip.

Both black and white rhinoceroses are actually gray. They are different not in color but in lip shape. The black rhino has a pointed upper lip, while its white relative has a squared lip.

There are many different kinds of mole rats. The best known is probably the naked mole rat, whose hairless, tubular, wrinkled body makes it appear a bit like a tiny walrus—or perhaps a bratwurst ...

This insect looks—and sounds—like anything but a run-of-the-mill roach. Madagascar hissing cockroaches are one of many fascinating animal species to hail from the island of Madagascar.

Three flying reptiles from Earth's distant past glide above the gray Pacific, far beyond the rollers breaking on the shore of Point Reyes, California. They flap their wings slowly for a few beats ...

Mononykus olecranus is a rather strange dinosaur that has perplexed scientists and resisted a definitive classification. Mononykus's most distinctive feature is a pair of short, stunted forelimbs ...

The baritone call of the bullfrog is so deep and resonant, it resembles the mooing of a cow, hence its name. Only males emit this trademark "jug-o-rum" bellow, and their choruses can be heard ...