Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

GREENVILLE, S.C. — For weeks, zookeepers suspected that Autumn, the 8-year-old Masai giraffe, was pregnant again. The world had watched in awe on live video as Kiko, Autumn's first calf, dropped from ...

Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live young that develop inside the mother’s body. Others reproduce through less ...

Most animals reach an adult size, then spend the rest of their lives maintaining it. After maturity, their energy goes toward ...

OZARK, Mo. — An endangered Ozark hellbender raised by the Saint Louis Zoo has successfully reproduced within the Current River. This is a significant milestone in the recovery efforts of the species, ...

Plastic waste in the water might be stopping -- or interrupting -- some shrimp-like creatures from reproducing. In a unique study, the ability of 'shrimp like' creatures to reproduce successfully was ...

When Jeroen Reneerkens stepped off the plane in Greenland, all he saw was white. The avian ecologist at the University of Groningen in the Netherlands was expecting to find snowless tundra teeming ...