Five new animal species that camouflage themselves as excrement or bark reveal some of what still remains hidden in the world ...

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird ...

When people think about habitats on Earth, they likely picture forests, oceans or grasslands. Few think to look up. Yet the lower atmosphere, or troposphere, may be the largest habitat on the planet.

As increased industrial activity puts fragile deep-sea ecosystems at risk, one artist is raising awareness about imperiled ...