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

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

And the trend shows no sign of slowing. The post Scientists find that 16,000 new species are discovered every year appeared ...

Pea-size clusters of human cells called brain organoids inspire both hope and fear. Experts are debating how scientists can ...

A long-running and bitterly fought dispute over whether the earliest known hominin had a knuckle-walking gait, like ...