Kali Holder, a veterinary pathologist at the National Zoo, is motivated by problem-solving and a passionate curiosity about nature. Image: courtesy of Kali Holder When an animal becomes endangered, it ...

Sixty-five percent of households in the U.S.—almost 80 million families—own a pet today, according to a survey by the American Pet Products Association. In addition to offering unconditional love and ...

WACO — Fifteen-year-old Michael Estill knew his steer wouldn't be the prizewinner at the Heart O' Texas Livestock Show when he chose him. To the other residents of the Methodist Children's Home Boys ...