Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, ...

A young girl snacks on a bag of chips on a sunny afternoon near the shores of Riggs Lake on Mount Graham on June 21. A drive ...

The increasingly popular gadgets, which take photos of avian visitors, are turning at-home birding into a shared experience.

Cowbird mothers abandon their eggs in the nests of other bird species, but the chicks somehow manage to find their flock and ...