Keystone species play an outsized role in the ecosystem, affecting the natural balance in ways that cannot easily be replaced.

From polygamous tree toads to heavy stick bugs, this year’s extensive new species discoveries are changing the way we see our ...

The flipside of biophobia is called biophilia, an innate affinity for nature. Both of these terms stem from evolutionary ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Long after an animal’s soft tissues have vanished, its skull still carries a blueprint of how it sensed the world. For ...

Freed from the threat of invasive predators, Galapagos birds are performing astonishing feats of return and innovation – 200 ...

Stefan Lovgren writes on how freshwater fish from the Arctic to Africa are endanged by climate change and the unpredictable ...

Listening to our animal kin — some experts predict that the capacity and technology to understand and talk back to non-human ...

Want to see a wider variety of birds in your backyard? Choosing the right food is key, since some, like one particular seed, ...

Behind the daily stream of geopolitical tensions and conflicts, 2025 also offered new perspectives on humanity’s connection ...