From hallucinogenic fish to nematodes oozing with lifespan-extending pheromones, many animals on Earth secrete chemicals with ...

Feeding turtles and tortoises right means mimicking their natural diet; the wrong foods, even common ones, can be harmful.

Seen from above, the newt has a uniform hue with “bright orange” marks on its fingertips and toes, researchers said. Seen from below, it has a dark gray stomach and an orange ...