World Aquatic Animal Day highlights a hidden crisis, as billions of aquatic animals face growing threats from human activity.

The longest animal on Earth isn’t what you think. It’s a drifting, gelatinous predator whose reach reshapes how we define ...

Wild animals are reshaping Earth’s surface more than expected, altering soil, rivers, and sediment movement across ecosystems ...

Help animals that have been rescued from cruelty and neglect ...

Animals come in an extraordinary range of body shapes. A starfish looks nothing like an earthworm, a mouse, or a human. Yet ...

A remarkable assemblage of fossils from China is revealing that animal life diversified in Earth's primordial seas millions ...