Reptile reproduction also depends on temperature. Only boas and pythons give birth to live young. The other species lay their eggs in a simple nest, and leave. The young hatch days to months later.

New research from the University of Alabama at Birmingham finds genetic variants that occur in nature and lay the groundwork for future studies of diseases and treatments in humans. The ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...