They’re segmented. They’ve got bristles. And sometimes, metallic jaws and detachable rear ends with eyes and a brain.

Scientists are investigating what the various sounds mean — and discovering that the creatures may be more like birds and mammals than once thought

Conflicts with people are growing as expanded forest land and climate change push the creatures into human settlements. There are solutions to try.

From camouflage to timekeeping to wound healing, light-sensing proteins called opsins perform all kinds of jobs in nature beyond helping creatures to see

Mutualistic partnerships between species abound across nature — but it’s a tricky dance to make sure both parties keep pulling their weight

Millions of songbirds in Southeast Asia are trapped and smuggled each year for keeping as pets or entering in competitions. Scientists warn that it's fueling a crisis.

Critters that dine on flesh and waste also consume the animal’s DNA. That genetic material is helping scientists detect and map elusive species and their pathogens.

As temperatures rise, some creatures pick fights while others struggle to learn. The consequences of these behavioral changes may ripple through ecosystems.

Evidence is growing from rodent studies that sperm carries marks of a father’s life experiences, influencing traits in offspring. Bits of RNA could be the drivers of these epigenetic effects.

Huge snakes, tiny snakes, poisonous snakes and constrictor snakes, snakes that slither, burrow or swim: New fossils and modern technology are tracing serpent origins

Turrets and tunnels and carbon dioxide — oh my! These ants farm, but they are also master builders.

Once considered cellular junk, non-coding RNAs are emerging as key players in everything from brain development to cancer — with much still to be discovered

Built from thickets of glucose, galactose, mannose and more, the glycome plays key roles in cell communication, immunity and the blood-brain barrier