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 ...

Get unlimited access to ad-free articles and exclusive content. LiveScience NEW YORK — Sex. Many (but not all) animals do it. Partners come together to combine their genetic material in hopes of ...

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 ...

From Dr. Seuss to Dr. Dolittle, life with wild animals may look like fun, but working at a zoo is no picnic Here are some lessons best learned ahead of time Lessons from the zoo: Here are four ...

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 ...

For some years now, life science and medical research has focused on the question of how the microorganisms living in and on a body influence central life processes and thus health and disease of ...