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, ...

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 ...

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.

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 ...

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

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death ...

For some animals, reproduction comes at the ultimate cost—their own lives. While this may seem extreme, it's a natural strategy to maximize reproductive success. These species invest everything into ...

Reports of confirmed mountain lion sightings have increased over the past decade in Kansas and Missouri, but experts said there are no signs that the animals are reproducing in either state.Mountain ...

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 ...

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