Freshwater browning is stunting fish growth of some species, shrinking populations of others and changing the composition of ...

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

Zoos are facing ageing populations that threaten the conservation of endangered species, and targeted culls may be needed to ...

In the early 1980s, a small group of scientists and conservationists faced a dark realization. The northern hairy-nosed ...

The population of the North Atlantic right whale is slowly climbing. What's behind the rise in numbers and what more can be ...

Firefly populations are declining, taking our wondrous summer views with them. Read all about the driving forces behind this ...

An ecological crisis is unfolding across the United States as invasive species inflict catastrophic damage on native ecosystems and agricultural lands. The financial toll has reached $120 billion ...

Botanists discovered a new plant species in Colombia that is already endangered, naming it Aphelandra almanegra.

There are many types of penguins, a family of flightless aquatic birds that live primarily in the Southern Hemisphere. Read ...

A new species of shrew, Soriculus dexingensis, is discovered in Tibet, raising the number of known shrew species there to six ...