In yellow-green and purple versions of the reef-building Acropora tenuis, the genes that code for particular fluorescent and other colorful proteins become more active in the summer, protecting symbiotic algae from thermal stress and resisting bleaching.

The animals kill off around one-quarter of the neurons in their somatosensory cortex, perhaps to save energy, and the cells appear to return the following summer.

Unable to break through the water’s surface, tadpoles have a unique workaround for breathing air.

As global temperatures rise and winters shorten, caterpillars of the corn borer moth are emerging earlier in parts of the US thanks to changes in two genes, researchers find.

Geography plays a role in how the small mammals adapt to environmental changes.

The unusual cephalopod was spotted on a recent underwater research expedition.

Biologists study how a zebra’s hair helps it keep cool.

South American hummingbird males were caught on camera poking and pinching each other with bills adapted for fighting.

A species of water flea in northern Belgium that helps keep algae in check is growing smaller and less abundant in urbanized areas.