Environmentalists claim a proposed White House rule is an ‘invitation to drive America’s most imperiled wildlife closer to ...

In most parts of the natural world, eyesight is key. Animals use it to find food, escape danger, and move around. But in some ...

The colossal squid is the largest invertebrate on the planet, but it is also surprisingly elusive. An image of a 30-centimetre-long juvenile is our first glimpse of the animal in its natural habitat ...

The Trump administration is reinterpreting a key word in the Endangered Species Act that could have big consequences for the habitats of species at risk.