Every year, scientists add thousands of new names to the great book of life. This momentum was initiated by the work of ...

A mass extinction of fish 360 million years ago hit the reset button on Earth’s life, setting the stage for modern vertebrate biodiversity. The mass extinction scrambled the species pool near the time ...

Researchers at the California Academy of Sciences kept busy throughout 2025. Along with collaborators from across the globe, ...

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

Study suggests adapting to life on land wasn't the biggest challenge facing fish coming ashore millions of years ago.

New species are being discovered faster than ever before - at a rate of more than 16,000 every year, suggests a new study.