Have you ever noticed that some animal babies, like baby deer, can walk around basically right after they're born, but other ...

Current World Health Organization (WHO) guidelines typically recommend two to seven days of abstinence before taking semen ...

Sperm may lose their ability to navigate in microgravity, raising new questions about whether human reproduction is possible ...

What does it mean when a snow leopard, important to species survival, is deemed effectively sterile? That was the topic of conversation at the Louisville Zoo last week after a reproductive assessment ...

The fat-tailed dunnart is native to Australia's arid scrublands and largely unknown outside of science. It may also be the ...

Explore the incredible science of parthenogenesis, a natural reproductive process where some animals can produce offspring without males. From reptiles to insects, discover how nature adapts in ...

New research by Smithsonian scientists suggests that preferences for certain sounds might be evolutionarily conserved ...

Even back then, scientists were puzzled. Many prediction models suggested this fish shouldn’t survive beyond roughly 10,000 ...

A breakthrough animal embryo transfer proves a high-tech lifeline for the northern white rhino and sparks important ethical ...

By Will Dunham WASHINGTON, March 30 (Reuters) - As humankind moves toward the goal of establishing a long-term presence on ...

What does it mean when a snow leopard, important to species survival, is deemed effectively sterile? That was the topic of conversation at the Louisville Zoo last week after a reproductive assessment ...

A research team in Mato Grosso do Sul has built the world’s largest jaguar biobank and is pushing toward the first-ever ...