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 ...

Last week I read an essay by New Scientist staff writer Graham Lawton with the catchy title, "Life in the anthropause." The online version is titled "Lockdown is a unique chance to see how human ...

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 ...

Lessons from the zoo: Here are four surprising animal facts only zookeepers know. From Dr. Seuss to Dr. Dolittle, pop culture has made life with wild animals look like a blast. But for those who work ...