A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.

A research team has identified a new species of tiger swallowtail butterfly living in eastern parts of North America. In ...

The memo defines terms such as sex − "a person's immutable biological classification as either male or female" − and female versus male. Kennedy's announcement comes a week after he was ...

Silver angelfish enjoy living alongside other members of their species. ©iStock.com/TatianaMironenko The greatest differences between a male angelfish and a female ...

The “Blue Bloods” universe is officially expanding. A spinoff following Donnie Wahlberg‘s Danny Reagan has landed a straight-to-series order at CBS. “Boston Blue” (working title) ...

I'm Mimi Kiley reporting. The term "polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and ...

Overall, neuroscience reveals that while there are some average differences in how male and female brains process information and respond to their environment, these differences are typically ...