While the northern giant hornet's sting is painful to humans, some Asian frogs fearlessly consume these venomous insects.

Some frogs are poisonous because of what they eat, not because they produce poison themselves. In the wild, certain brightly ...

The toucan has been living in Las Vegas since November, much to the concern of bird experts who were worried about the exotic bird's health and ability to survive.

The 'frog' poison that killed Navalny was hard to hide and likely made in a high-end lab, according to a Belgian toxicologist.

By listening in on their nightly hunts, scientists discovered that small, fringe-lipped bats are unexpectedly able to efficiently take down prey nearly their own size.

QUITO, Ecuador — South American dart frog experts said Monday that the toxin alleged to have killed Russian dissident Alexei Navalny was likely a lab-produced replica rather than harvested directly ...

The toucan has been living in Las Vegas since November, much to the concern of bird experts who were worried about the exotic bird's health and ability to survive.

From bird-dropping mimics to legless burrowers, these newly discovered species were hiding right under our noses.

That spider is one of several new animal species recently described by researchers working across Vietnam, India, the Philippines, Borneo, and Peru. Each creature has evolved its own strategy for ...