The National Zoo generally is a family-friendly place, but at the Woo at the Zoo event Friday night, it was all about wild animal sexual behavior. “We like to say we’re a free zoo where animals can ...

When the total solar eclipse happens on Monday, animals at homes, farms and zoos may act strangely. Researchers can’t wait to see what happens when day quickly turns to night. By Juliet Macur and ...

SACRAMENTO, Calif. (AP) — A Sumatran female tiger was killed at the Sacramento Zoo by her mating partner Wednesday after the two felines were put in the same enclosure for breeding, zoo officials said ...

“It’s unique. You don’t usually get to hear how artificial insemination works with birds,” said Zoo Events Director Colleen ...

From spraying mates with urine to changing one's sex, these are the most intriguing courtships in the animal kingdom.