Stripes laid down by tooth enamel could reveal why big mammals grow slower—and live longer—than small ones.
Portraits of once-abandoned animals and the stories of the families that took them in
Recent images of wintry northern landscapes, and the people and animals coping with the harsh weather
How an exotic game hunter collected live animals from throughout the United States and convinced Congress to give him a prime plot of land
A collection of recent images showing people and animals both surviving and enjoying frigid midwinter conditions.
And they react to the buzzing of pollinators by sweetening their nectar.
... and keep others off of it
They join an elite group of animals that includes great apes, but not monkeys or 3-year-old human children.
Some of the colors we see on creatures such as blue jays and poison-dart frogs aren’t created by pigments at all.