Microscopic pigment granules show distinct patterns across major fish groups, with matching features preserved in ancient ...

A new study has reconstructed the evolutionary history of terrestrial animals on the Qinghai-Xizang Plateau, offering a ...

The hemoglobin in humans’ blood is not the standard for all critters—and one group of Antarctic fish are the only vertebrates ...

A new study has pieced together the evolutionary history of terrestrial animals on the Qinghai–Tibet Plateau (QTP), offering ...

A new study has reconstructed the evolutionary history of terrestrial animals on the Qinghai-Xizang Plateau, offering a clearer picture of how the unique fauna of Earth's "Third Pole" took shape over ...

A new hypothesis proposes that ancient visual circuits helped shape the brain’s widespread crossed connections. A review of vertebrate anatomy suggests later sensory and motor pathways developed ...

Deep-sea animals are built to thrive in cold and dark conditions, making them look a bit alien. Here's five of the spookiest creatures that live there.

Innate immunity is an ancient and highly diversified layer of host defense. In vertebrates its evolution has been tied closely to the origin and ...

The venomous saw-scaled viper holds the record as the world's most deadly snake in terms of mortality. Snakes overall are ...

Millions of years after animals first conquered land, some took an extraordinary evolutionary U-turn and returned to the ...

A long-term study found that pelagic nekton—small fish, crustaceans, and cephalopods—in the deep Gulf of America have ...

Taxonomic bias in ecology research is emotional, not logistical -- a survey of 868 animal behavior researchers shows ...